Home / 3,119,872.80-4,672,810.80-2,560,000.80

Finding the Fourth Proportional to 3,119,872.80, 4,672,810.80 and 2,560,000.80

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Solution

The fourth proportional to 3,119,872.80, 4,672,810.80 and 2,560,000.80 is: 3,834,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,872.80 : 4,672,810.80 = 2,560,000.80 : x
  2. Step 2: Convert to fraction form
    3,119,872.80/4,672,810.80 = 2,560,000.80/x
  3. Step 3: Cross multiply
    3,119,872.80x = 4,672,810.80 × 2,560,000.80
  4. Step 4: Simplify right side
    3,119,872.80x = 11,962,399,386,248.64
  5. Step 5: Solve for x
    x = 11,962,399,386,248.64/3,119,872.80
  6. Step 6: Final answer
    x = 3,834,258.69

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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.