Home / 2,920,502.80-4,380,754.20-1,660,790.80

Finding the Fourth Proportional to 2,920,502.80, 4,380,754.20 and 1,660,790.80

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Solution

The fourth proportional to 2,920,502.80, 4,380,754.20 and 1,660,790.80 is: 2,491,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,502.80 : 4,380,754.20 = 1,660,790.80 : x
  2. Step 2: Convert to fraction form
    2,920,502.80/4,380,754.20 = 1,660,790.80/x
  3. Step 3: Cross multiply
    2,920,502.80x = 4,380,754.20 × 1,660,790.80
  4. Step 4: Simplify right side
    2,920,502.80x = 7,275,516,272,421.36
  5. Step 5: Solve for x
    x = 7,275,516,272,421.36/2,920,502.80
  6. Step 6: Final answer
    x = 2,491,186.20

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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.