Home / 2,891,776.60-4,337,664.90-2,145,280.60

Finding the Fourth Proportional to 2,891,776.60, 4,337,664.90 and 2,145,280.60

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Solution

The fourth proportional to 2,891,776.60, 4,337,664.90 and 2,145,280.60 is: 3,217,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,776.60 : 4,337,664.90 = 2,145,280.60 : x
  2. Step 2: Convert to fraction form
    2,891,776.60/4,337,664.90 = 2,145,280.60/x
  3. Step 3: Cross multiply
    2,891,776.60x = 4,337,664.90 × 2,145,280.60
  4. Step 4: Simplify right side
    2,891,776.60x = 9,305,508,359,270.94
  5. Step 5: Solve for x
    x = 9,305,508,359,270.94/2,891,776.60
  6. Step 6: Final answer
    x = 3,217,920.90

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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.