Home / 3,619,629.20-5,429,443.80-2,407,156.40

Finding the Fourth Proportional to 3,619,629.20, 5,429,443.80 and 2,407,156.40

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Solution

The fourth proportional to 3,619,629.20, 5,429,443.80 and 2,407,156.40 is: 3,610,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,629.20 : 5,429,443.80 = 2,407,156.40 : x
  2. Step 2: Convert to fraction form
    3,619,629.20/5,429,443.80 = 2,407,156.40/x
  3. Step 3: Cross multiply
    3,619,629.20x = 5,429,443.80 × 2,407,156.40
  4. Step 4: Simplify right side
    3,619,629.20x = 13,069,520,391,610.32
  5. Step 5: Solve for x
    x = 13,069,520,391,610.32/3,619,629.20
  6. Step 6: Final answer
    x = 3,610,734.60

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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.