Home / 3,234,147.60-4,854,331.80-1,638,512.40

Finding the Fourth Proportional to 3,234,147.60, 4,854,331.80 and 1,638,512.40

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Solution

The fourth proportional to 3,234,147.60, 4,854,331.80 and 1,638,512.40 is: 2,459,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234,147.60 : 4,854,331.80 = 1,638,512.40 : x
  2. Step 2: Convert to fraction form
    3,234,147.60/4,854,331.80 = 1,638,512.40/x
  3. Step 3: Cross multiply
    3,234,147.60x = 4,854,331.80 × 1,638,512.40
  4. Step 4: Simplify right side
    3,234,147.60x = 7,953,882,848,014.32
  5. Step 5: Solve for x
    x = 7,953,882,848,014.32/3,234,147.60
  6. Step 6: Final answer
    x = 2,459,344.42

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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.