Home / 2,218,549.57-3,328,192.24-778,859.30

Finding the Fourth Proportional to 2,218,549.57, 3,328,192.24 and 778,859.30

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Solution

The fourth proportional to 2,218,549.57, 3,328,192.24 and 778,859.30 is: 1,168,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,549.57 : 3,328,192.24 = 778,859.30 : x
  2. Step 2: Convert to fraction form
    2,218,549.57/3,328,192.24 = 778,859.30/x
  3. Step 3: Cross multiply
    2,218,549.57x = 3,328,192.24 × 778,859.30
  4. Step 4: Simplify right side
    2,218,549.57x = 2,592,193,484,685.16
  5. Step 5: Solve for x
    x = 2,592,193,484,685.16/2,218,549.57
  6. Step 6: Final answer
    x = 1,168,418.11

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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.