Home / 2,748,891.54-4,123,929.60-829,642.08

Finding the Fourth Proportional to 2,748,891.54, 4,123,929.60 and 829,642.08

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Solution

The fourth proportional to 2,748,891.54, 4,123,929.60 and 829,642.08 is: 1,244,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,891.54 : 4,123,929.60 = 829,642.08 : x
  2. Step 2: Convert to fraction form
    2,748,891.54/4,123,929.60 = 829,642.08/x
  3. Step 3: Cross multiply
    2,748,891.54x = 4,123,929.60 × 829,642.08
  4. Step 4: Simplify right side
    2,748,891.54x = 3,421,385,531,117.57
  5. Step 5: Solve for x
    x = 3,421,385,531,117.57/2,748,891.54
  6. Step 6: Final answer
    x = 1,244,641.88

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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.