Home / 3,132,220.80-4,698,331.20-1,930,245.60

Finding the Fourth Proportional to 3,132,220.80, 4,698,331.20 and 1,930,245.60

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Solution

The fourth proportional to 3,132,220.80, 4,698,331.20 and 1,930,245.60 is: 2,895,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,220.80 : 4,698,331.20 = 1,930,245.60 : x
  2. Step 2: Convert to fraction form
    3,132,220.80/4,698,331.20 = 1,930,245.60/x
  3. Step 3: Cross multiply
    3,132,220.80x = 4,698,331.20 × 1,930,245.60
  4. Step 4: Simplify right side
    3,132,220.80x = 9,068,933,126,142.72
  5. Step 5: Solve for x
    x = 9,068,933,126,142.72/3,132,220.80
  6. Step 6: Final answer
    x = 2,895,368.40

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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.