Home / 1,577,605.31-2,180,773.04-1,407,212.04

Finding the Fourth Proportional to 1,577,605.31, 2,180,773.04 and 1,407,212.04

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Solution

The fourth proportional to 1,577,605.31, 2,180,773.04 and 1,407,212.04 is: 1,945,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,605.31 : 2,180,773.04 = 1,407,212.04 : x
  2. Step 2: Convert to fraction form
    1,577,605.31/2,180,773.04 = 1,407,212.04/x
  3. Step 3: Cross multiply
    1,577,605.31x = 2,180,773.04 × 1,407,212.04
  4. Step 4: Simplify right side
    1,577,605.31x = 3,068,810,071,359.34
  5. Step 5: Solve for x
    x = 3,068,810,071,359.34/1,577,605.31
  6. Step 6: Final answer
    x = 1,945,233.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.