Home / 2,129,332.60-3,194,906.10-1,119,230.20

Finding the Fourth Proportional to 2,129,332.60, 3,194,906.10 and 1,119,230.20

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Solution

The fourth proportional to 2,129,332.60, 3,194,906.10 and 1,119,230.20 is: 1,679,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,332.60 : 3,194,906.10 = 1,119,230.20 : x
  2. Step 2: Convert to fraction form
    2,129,332.60/3,194,906.10 = 1,119,230.20/x
  3. Step 3: Cross multiply
    2,129,332.60x = 3,194,906.10 × 1,119,230.20
  4. Step 4: Simplify right side
    2,129,332.60x = 3,575,835,393,284.22
  5. Step 5: Solve for x
    x = 3,575,835,393,284.22/2,129,332.60
  6. Step 6: Final answer
    x = 1,679,322.15

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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.