Home / 2,291,921.70-3,435,371.55-1,152,867.30

Finding the Fourth Proportional to 2,291,921.70, 3,435,371.55 and 1,152,867.30

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Solution

The fourth proportional to 2,291,921.70, 3,435,371.55 and 1,152,867.30 is: 1,728,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,921.70 : 3,435,371.55 = 1,152,867.30 : x
  2. Step 2: Convert to fraction form
    2,291,921.70/3,435,371.55 = 1,152,867.30/x
  3. Step 3: Cross multiply
    2,291,921.70x = 3,435,371.55 × 1,152,867.30
  4. Step 4: Simplify right side
    2,291,921.70x = 3,960,527,523,345.32
  5. Step 5: Solve for x
    x = 3,960,527,523,345.32/2,291,921.70
  6. Step 6: Final answer
    x = 1,728,037.88

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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.