Home / 1,852,279.20-2,780,168.40-1,143,691.20

Finding the Fourth Proportional to 1,852,279.20, 2,780,168.40 and 1,143,691.20

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Solution

The fourth proportional to 1,852,279.20, 2,780,168.40 and 1,143,691.20 is: 1,716,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,279.20 : 2,780,168.40 = 1,143,691.20 : x
  2. Step 2: Convert to fraction form
    1,852,279.20/2,780,168.40 = 1,143,691.20/x
  3. Step 3: Cross multiply
    1,852,279.20x = 2,780,168.40 × 1,143,691.20
  4. Step 4: Simplify right side
    1,852,279.20x = 3,179,654,133,598.08
  5. Step 5: Solve for x
    x = 3,179,654,133,598.08/1,852,279.20
  6. Step 6: Final answer
    x = 1,716,617.09

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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.