Home / 2,124,012.60-3,186,018.90-1,452,166.20

Finding the Fourth Proportional to 2,124,012.60, 3,186,018.90 and 1,452,166.20

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Solution

The fourth proportional to 2,124,012.60, 3,186,018.90 and 1,452,166.20 is: 2,178,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,012.60 : 3,186,018.90 = 1,452,166.20 : x
  2. Step 2: Convert to fraction form
    2,124,012.60/3,186,018.90 = 1,452,166.20/x
  3. Step 3: Cross multiply
    2,124,012.60x = 3,186,018.90 × 1,452,166.20
  4. Step 4: Simplify right side
    2,124,012.60x = 4,626,628,959,141.18
  5. Step 5: Solve for x
    x = 4,626,628,959,141.18/2,124,012.60
  6. Step 6: Final answer
    x = 2,178,249.30

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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.