Home / 3,281,330.10-4,921,995.15-3,155,358.90

Finding the Fourth Proportional to 3,281,330.10, 4,921,995.15 and 3,155,358.90

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Solution

The fourth proportional to 3,281,330.10, 4,921,995.15 and 3,155,358.90 is: 4,733,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,330.10 : 4,921,995.15 = 3,155,358.90 : x
  2. Step 2: Convert to fraction form
    3,281,330.10/4,921,995.15 = 3,155,358.90/x
  3. Step 3: Cross multiply
    3,281,330.10x = 4,921,995.15 × 3,155,358.90
  4. Step 4: Simplify right side
    3,281,330.10x = 15,530,661,202,309.34
  5. Step 5: Solve for x
    x = 15,530,661,202,309.34/3,281,330.10
  6. Step 6: Final answer
    x = 4,733,038.35

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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.