Home / 2,872,972.20-4,309,458.30-2,411,077.80

Finding the Fourth Proportional to 2,872,972.20, 4,309,458.30 and 2,411,077.80

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Solution

The fourth proportional to 2,872,972.20, 4,309,458.30 and 2,411,077.80 is: 3,616,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,972.20 : 4,309,458.30 = 2,411,077.80 : x
  2. Step 2: Convert to fraction form
    2,872,972.20/4,309,458.30 = 2,411,077.80/x
  3. Step 3: Cross multiply
    2,872,972.20x = 4,309,458.30 × 2,411,077.80
  4. Step 4: Simplify right side
    2,872,972.20x = 10,390,439,237,155.74
  5. Step 5: Solve for x
    x = 10,390,439,237,155.74/2,872,972.20
  6. Step 6: Final answer
    x = 3,616,616.70

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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.