Home / 3,420,638.60-5,129,748.30-1,176,254.60

Finding the Fourth Proportional to 3,420,638.60, 5,129,748.30 and 1,176,254.60

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Solution

The fourth proportional to 3,420,638.60, 5,129,748.30 and 1,176,254.60 is: 1,763,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,638.60 : 5,129,748.30 = 1,176,254.60 : x
  2. Step 2: Convert to fraction form
    3,420,638.60/5,129,748.30 = 1,176,254.60/x
  3. Step 3: Cross multiply
    3,420,638.60x = 5,129,748.30 × 1,176,254.60
  4. Step 4: Simplify right side
    3,420,638.60x = 6,033,890,034,717.18
  5. Step 5: Solve for x
    x = 6,033,890,034,717.18/3,420,638.60
  6. Step 6: Final answer
    x = 1,763,965.95

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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.