Home / 2,791,803.47-4,187,996.36-770,047.71

Finding the Fourth Proportional to 2,791,803.47, 4,187,996.36 and 770,047.71

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Solution

The fourth proportional to 2,791,803.47, 4,187,996.36 and 770,047.71 is: 1,155,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,803.47 : 4,187,996.36 = 770,047.71 : x
  2. Step 2: Convert to fraction form
    2,791,803.47/4,187,996.36 = 770,047.71/x
  3. Step 3: Cross multiply
    2,791,803.47x = 4,187,996.36 × 770,047.71
  4. Step 4: Simplify right side
    2,791,803.47x = 3,224,957,002,656.10
  5. Step 5: Solve for x
    x = 3,224,957,002,656.10/2,791,803.47
  6. Step 6: Final answer
    x = 1,155,151.87

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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.