Home / 2,695,139.20-4,042,708.80-2,429,418.70

Finding the Fourth Proportional to 2,695,139.20, 4,042,708.80 and 2,429,418.70

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Solution

The fourth proportional to 2,695,139.20, 4,042,708.80 and 2,429,418.70 is: 3,644,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,139.20 : 4,042,708.80 = 2,429,418.70 : x
  2. Step 2: Convert to fraction form
    2,695,139.20/4,042,708.80 = 2,429,418.70/x
  3. Step 3: Cross multiply
    2,695,139.20x = 4,042,708.80 × 2,429,418.70
  4. Step 4: Simplify right side
    2,695,139.20x = 9,821,432,357,374.56
  5. Step 5: Solve for x
    x = 9,821,432,357,374.56/2,695,139.20
  6. Step 6: Final answer
    x = 3,644,128.05

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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.