Home / 3,147,144.02-4,720,700.45-2,719,378.15

Finding the Fourth Proportional to 3,147,144.02, 4,720,700.45 and 2,719,378.15

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Solution

The fourth proportional to 3,147,144.02, 4,720,700.45 and 2,719,378.15 is: 4,079,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,144.02 : 4,720,700.45 = 2,719,378.15 : x
  2. Step 2: Convert to fraction form
    3,147,144.02/4,720,700.45 = 2,719,378.15/x
  3. Step 3: Cross multiply
    3,147,144.02x = 4,720,700.45 × 2,719,378.15
  4. Step 4: Simplify right side
    3,147,144.02x = 12,837,369,651,421.86
  5. Step 5: Solve for x
    x = 12,837,369,651,421.86/3,147,144.02
  6. Step 6: Final answer
    x = 4,079,053.76

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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.