Home / 3,559,279.90-5,338,120.35-1,638,350.30

Finding the Fourth Proportional to 3,559,279.90, 5,338,120.35 and 1,638,350.30

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Solution

The fourth proportional to 3,559,279.90, 5,338,120.35 and 1,638,350.30 is: 2,457,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,279.90 : 5,338,120.35 = 1,638,350.30 : x
  2. Step 2: Convert to fraction form
    3,559,279.90/5,338,120.35 = 1,638,350.30/x
  3. Step 3: Cross multiply
    3,559,279.90x = 5,338,120.35 × 1,638,350.30
  4. Step 4: Simplify right side
    3,559,279.90x = 8,745,711,076,858.61
  5. Step 5: Solve for x
    x = 8,745,711,076,858.61/3,559,279.90
  6. Step 6: Final answer
    x = 2,457,157.44

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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.