Home / 2,278,445.40-3,417,668.10-930,159.90

Finding the Fourth Proportional to 2,278,445.40, 3,417,668.10 and 930,159.90

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Solution

The fourth proportional to 2,278,445.40, 3,417,668.10 and 930,159.90 is: 1,395,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,445.40 : 3,417,668.10 = 930,159.90 : x
  2. Step 2: Convert to fraction form
    2,278,445.40/3,417,668.10 = 930,159.90/x
  3. Step 3: Cross multiply
    2,278,445.40x = 3,417,668.10 × 930,159.90
  4. Step 4: Simplify right side
    2,278,445.40x = 3,178,977,818,129.19
  5. Step 5: Solve for x
    x = 3,178,977,818,129.19/2,278,445.40
  6. Step 6: Final answer
    x = 1,395,239.85

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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.