Home / 2,088,028.80-3,125,822.40-1,246,147.20

Finding the Fourth Proportional to 2,088,028.80, 3,125,822.40 and 1,246,147.20

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Solution

The fourth proportional to 2,088,028.80, 3,125,822.40 and 1,246,147.20 is: 1,865,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,028.80 : 3,125,822.40 = 1,246,147.20 : x
  2. Step 2: Convert to fraction form
    2,088,028.80/3,125,822.40 = 1,246,147.20/x
  3. Step 3: Cross multiply
    2,088,028.80x = 3,125,822.40 × 1,246,147.20
  4. Step 4: Simplify right side
    2,088,028.80x = 3,895,234,831,457.28
  5. Step 5: Solve for x
    x = 3,895,234,831,457.28/2,088,028.80
  6. Step 6: Final answer
    x = 1,865,508.19

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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.