Home / 3,129,829.79-4,695,062.94-1,080,223.59

Finding the Fourth Proportional to 3,129,829.79, 4,695,062.94 and 1,080,223.59

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Solution

The fourth proportional to 3,129,829.79, 4,695,062.94 and 1,080,223.59 is: 1,620,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,829.79 : 4,695,062.94 = 1,080,223.59 : x
  2. Step 2: Convert to fraction form
    3,129,829.79/4,695,062.94 = 1,080,223.59/x
  3. Step 3: Cross multiply
    3,129,829.79x = 4,695,062.94 × 1,080,223.59
  4. Step 4: Simplify right side
    3,129,829.79x = 5,071,717,744,322.76
  5. Step 5: Solve for x
    x = 5,071,717,744,322.76/3,129,829.79
  6. Step 6: Final answer
    x = 1,620,445.23

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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.