Home / 3,622,281.20-5,433,421.80-1,942,665.20

Finding the Fourth Proportional to 3,622,281.20, 5,433,421.80 and 1,942,665.20

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Solution

The fourth proportional to 3,622,281.20, 5,433,421.80 and 1,942,665.20 is: 2,913,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,281.20 : 5,433,421.80 = 1,942,665.20 : x
  2. Step 2: Convert to fraction form
    3,622,281.20/5,433,421.80 = 1,942,665.20/x
  3. Step 3: Cross multiply
    3,622,281.20x = 5,433,421.80 × 1,942,665.20
  4. Step 4: Simplify right side
    3,622,281.20x = 10,555,319,447,781.36
  5. Step 5: Solve for x
    x = 10,555,319,447,781.36/3,622,281.20
  6. Step 6: Final answer
    x = 2,913,997.80

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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.