Home / 2,177,711.80-3,264,234.90-979,430.20

Finding the Fourth Proportional to 2,177,711.80, 3,264,234.90 and 979,430.20

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Solution

The fourth proportional to 2,177,711.80, 3,264,234.90 and 979,430.20 is: 1,468,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,711.80 : 3,264,234.90 = 979,430.20 : x
  2. Step 2: Convert to fraction form
    2,177,711.80/3,264,234.90 = 979,430.20/x
  3. Step 3: Cross multiply
    2,177,711.80x = 3,264,234.90 × 979,430.20
  4. Step 4: Simplify right side
    2,177,711.80x = 3,197,090,240,953.98
  5. Step 5: Solve for x
    x = 3,197,090,240,953.98/2,177,711.80
  6. Step 6: Final answer
    x = 1,468,096.12

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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.