Home / 1,934,178.30-2,900,246.85-654,345.90

Finding the Fourth Proportional to 1,934,178.30, 2,900,246.85 and 654,345.90

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Solution

The fourth proportional to 1,934,178.30, 2,900,246.85 and 654,345.90 is: 981,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,178.30 : 2,900,246.85 = 654,345.90 : x
  2. Step 2: Convert to fraction form
    1,934,178.30/2,900,246.85 = 654,345.90/x
  3. Step 3: Cross multiply
    1,934,178.30x = 2,900,246.85 × 654,345.90
  4. Step 4: Simplify right side
    1,934,178.30x = 1,897,764,635,285.42
  5. Step 5: Solve for x
    x = 1,897,764,635,285.42/1,934,178.30
  6. Step 6: Final answer
    x = 981,173.57

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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.