Home / 6,395,810.80-9,581,274.60-3,863,945.20

Finding the Fourth Proportional to 6,395,810.80, 9,581,274.60 and 3,863,945.20

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Solution

The fourth proportional to 6,395,810.80, 9,581,274.60 and 3,863,945.20 is: 5,788,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395,810.80 : 9,581,274.60 = 3,863,945.20 : x
  2. Step 2: Convert to fraction form
    6,395,810.80/9,581,274.60 = 3,863,945.20/x
  3. Step 3: Cross multiply
    6,395,810.80x = 9,581,274.60 × 3,863,945.20
  4. Step 4: Simplify right side
    6,395,810.80x = 37,021,520,000,551.92
  5. Step 5: Solve for x
    x = 37,021,520,000,551.92/6,395,810.80
  6. Step 6: Final answer
    x = 5,788,401.37

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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.