Home / 1,988,530.56-2,746,407.60-1,342,829.88

Finding the Fourth Proportional to 1,988,530.56, 2,746,407.60 and 1,342,829.88

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Solution

The fourth proportional to 1,988,530.56, 2,746,407.60 and 1,342,829.88 is: 1,854,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,530.56 : 2,746,407.60 = 1,342,829.88 : x
  2. Step 2: Convert to fraction form
    1,988,530.56/2,746,407.60 = 1,342,829.88/x
  3. Step 3: Cross multiply
    1,988,530.56x = 2,746,407.60 × 1,342,829.88
  4. Step 4: Simplify right side
    1,988,530.56x = 3,687,958,187,939.09
  5. Step 5: Solve for x
    x = 3,687,958,187,939.09/1,988,530.56
  6. Step 6: Final answer
    x = 1,854,614.79

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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.