Home / 3,139,407.40-4,709,111.10-2,182,813.60

Finding the Fourth Proportional to 3,139,407.40, 4,709,111.10 and 2,182,813.60

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Solution

The fourth proportional to 3,139,407.40, 4,709,111.10 and 2,182,813.60 is: 3,274,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,407.40 : 4,709,111.10 = 2,182,813.60 : x
  2. Step 2: Convert to fraction form
    3,139,407.40/4,709,111.10 = 2,182,813.60/x
  3. Step 3: Cross multiply
    3,139,407.40x = 4,709,111.10 × 2,182,813.60
  4. Step 4: Simplify right side
    3,139,407.40x = 10,279,111,752,990.96
  5. Step 5: Solve for x
    x = 10,279,111,752,990.96/3,139,407.40
  6. Step 6: Final answer
    x = 3,274,220.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.