Home / 3,798,647.20-5,697,970.80-1,139,255.20

Finding the Fourth Proportional to 3,798,647.20, 5,697,970.80 and 1,139,255.20

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Solution

The fourth proportional to 3,798,647.20, 5,697,970.80 and 1,139,255.20 is: 1,708,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,647.20 : 5,697,970.80 = 1,139,255.20 : x
  2. Step 2: Convert to fraction form
    3,798,647.20/5,697,970.80 = 1,139,255.20/x
  3. Step 3: Cross multiply
    3,798,647.20x = 5,697,970.80 × 1,139,255.20
  4. Step 4: Simplify right side
    3,798,647.20x = 6,491,442,863,348.16
  5. Step 5: Solve for x
    x = 6,491,442,863,348.16/3,798,647.20
  6. Step 6: Final answer
    x = 1,708,882.80

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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.