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Finding the Fourth Proportional to 3,153,772.80, 4,723,660.80 and 2,593,900.80

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Solution

The fourth proportional to 3,153,772.80, 4,723,660.80 and 2,593,900.80 is: 3,885,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,772.80 : 4,723,660.80 = 2,593,900.80 : x
  2. Step 2: Convert to fraction form
    3,153,772.80/4,723,660.80 = 2,593,900.80/x
  3. Step 3: Cross multiply
    3,153,772.80x = 4,723,660.80 × 2,593,900.80
  4. Step 4: Simplify right side
    3,153,772.80x = 12,252,707,528,048.64
  5. Step 5: Solve for x
    x = 12,252,707,528,048.64/3,153,772.80
  6. Step 6: Final answer
    x = 3,885,095.19

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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.