Home / 3,975,139.20-5,962,708.80-2,715,427.20

Finding the Fourth Proportional to 3,975,139.20, 5,962,708.80 and 2,715,427.20

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Solution

The fourth proportional to 3,975,139.20, 5,962,708.80 and 2,715,427.20 is: 4,073,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,139.20 : 5,962,708.80 = 2,715,427.20 : x
  2. Step 2: Convert to fraction form
    3,975,139.20/5,962,708.80 = 2,715,427.20/x
  3. Step 3: Cross multiply
    3,975,139.20x = 5,962,708.80 × 2,715,427.20
  4. Step 4: Simplify right side
    3,975,139.20x = 16,191,301,661,199.36
  5. Step 5: Solve for x
    x = 16,191,301,661,199.36/3,975,139.20
  6. Step 6: Final answer
    x = 4,073,140.80

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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.