Home / 3,426,020.40-5,139,030.60-3,111,092.40

Finding the Fourth Proportional to 3,426,020.40, 5,139,030.60 and 3,111,092.40

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Solution

The fourth proportional to 3,426,020.40, 5,139,030.60 and 3,111,092.40 is: 4,666,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,020.40 : 5,139,030.60 = 3,111,092.40 : x
  2. Step 2: Convert to fraction form
    3,426,020.40/5,139,030.60 = 3,111,092.40/x
  3. Step 3: Cross multiply
    3,426,020.40x = 5,139,030.60 × 3,111,092.40
  4. Step 4: Simplify right side
    3,426,020.40x = 15,987,999,043,027.44
  5. Step 5: Solve for x
    x = 15,987,999,043,027.44/3,426,020.40
  6. Step 6: Final answer
    x = 4,666,638.60

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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.