Home / 3,531,200.20-5,299,565.10-1,638,176.20

Finding the Fourth Proportional to 3,531,200.20, 5,299,565.10 and 1,638,176.20

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Solution

The fourth proportional to 3,531,200.20, 5,299,565.10 and 1,638,176.20 is: 2,458,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,200.20 : 5,299,565.10 = 1,638,176.20 : x
  2. Step 2: Convert to fraction form
    3,531,200.20/5,299,565.10 = 1,638,176.20/x
  3. Step 3: Cross multiply
    3,531,200.20x = 5,299,565.10 × 1,638,176.20
  4. Step 4: Simplify right side
    3,531,200.20x = 8,681,621,417,170.62
  5. Step 5: Solve for x
    x = 8,681,621,417,170.62/3,531,200.20
  6. Step 6: Final answer
    x = 2,458,546.93

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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.