Home / 1,333,181.92-1,840,649.52-1,189,695.28

Finding the Fourth Proportional to 1,333,181.92, 1,840,649.52 and 1,189,695.28

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Solution

The fourth proportional to 1,333,181.92, 1,840,649.52 and 1,189,695.28 is: 1,642,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,181.92 : 1,840,649.52 = 1,189,695.28 : x
  2. Step 2: Convert to fraction form
    1,333,181.92/1,840,649.52 = 1,189,695.28/x
  3. Step 3: Cross multiply
    1,333,181.92x = 1,840,649.52 × 1,189,695.28
  4. Step 4: Simplify right side
    1,333,181.92x = 2,189,812,046,078.27
  5. Step 5: Solve for x
    x = 2,189,812,046,078.27/1,333,181.92
  6. Step 6: Final answer
    x = 1,642,545.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.