Home / 3,619,789.92-5,429,700.96-1,223,647.20

Finding the Fourth Proportional to 3,619,789.92, 5,429,700.96 and 1,223,647.20

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Solution

The fourth proportional to 3,619,789.92, 5,429,700.96 and 1,223,647.20 is: 1,835,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,789.92 : 5,429,700.96 = 1,223,647.20 : x
  2. Step 2: Convert to fraction form
    3,619,789.92/5,429,700.96 = 1,223,647.20/x
  3. Step 3: Cross multiply
    3,619,789.92x = 5,429,700.96 × 1,223,647.20
  4. Step 4: Simplify right side
    3,619,789.92x = 6,644,038,376,541.31
  5. Step 5: Solve for x
    x = 6,644,038,376,541.31/3,619,789.92
  6. Step 6: Final answer
    x = 1,835,476.24

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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.