Home / 2,715,779.79-4,074,110.60-918,772.65

Finding the Fourth Proportional to 2,715,779.79, 4,074,110.60 and 918,772.65

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Solution

The fourth proportional to 2,715,779.79, 4,074,110.60 and 918,772.65 is: 1,378,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,779.79 : 4,074,110.60 = 918,772.65 : x
  2. Step 2: Convert to fraction form
    2,715,779.79/4,074,110.60 = 918,772.65/x
  3. Step 3: Cross multiply
    2,715,779.79x = 4,074,110.60 × 918,772.65
  4. Step 4: Simplify right side
    2,715,779.79x = 3,743,181,387,761.23
  5. Step 5: Solve for x
    x = 3,743,181,387,761.23/2,715,779.79
  6. Step 6: Final answer
    x = 1,378,308.14

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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.