Home / 2,488,554.18-3,434,148.29-1,385,978.13

Finding the Fourth Proportional to 2,488,554.18, 3,434,148.29 and 1,385,978.13

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Solution

The fourth proportional to 2,488,554.18, 3,434,148.29 and 1,385,978.13 is: 1,912,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,554.18 : 3,434,148.29 = 1,385,978.13 : x
  2. Step 2: Convert to fraction form
    2,488,554.18/3,434,148.29 = 1,385,978.13/x
  3. Step 3: Cross multiply
    2,488,554.18x = 3,434,148.29 × 1,385,978.13
  4. Step 4: Simplify right side
    2,488,554.18x = 4,759,654,418,187.01
  5. Step 5: Solve for x
    x = 4,759,654,418,187.01/2,488,554.18
  6. Step 6: Final answer
    x = 1,912,618.36

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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.