Home / 2,319,127.20-3,478,690.80-992,023.20

Finding the Fourth Proportional to 2,319,127.20, 3,478,690.80 and 992,023.20

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Solution

The fourth proportional to 2,319,127.20, 3,478,690.80 and 992,023.20 is: 1,488,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,127.20 : 3,478,690.80 = 992,023.20 : x
  2. Step 2: Convert to fraction form
    2,319,127.20/3,478,690.80 = 992,023.20/x
  3. Step 3: Cross multiply
    2,319,127.20x = 3,478,690.80 × 992,023.20
  4. Step 4: Simplify right side
    2,319,127.20x = 3,450,941,979,226.56
  5. Step 5: Solve for x
    x = 3,450,941,979,226.56/2,319,127.20
  6. Step 6: Final answer
    x = 1,488,034.80

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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.