Home / 3,408,829.60-5,113,244.40-1,278,983.20

Finding the Fourth Proportional to 3,408,829.60, 5,113,244.40 and 1,278,983.20

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Solution

The fourth proportional to 3,408,829.60, 5,113,244.40 and 1,278,983.20 is: 1,918,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,829.60 : 5,113,244.40 = 1,278,983.20 : x
  2. Step 2: Convert to fraction form
    3,408,829.60/5,113,244.40 = 1,278,983.20/x
  3. Step 3: Cross multiply
    3,408,829.60x = 5,113,244.40 × 1,278,983.20
  4. Step 4: Simplify right side
    3,408,829.60x = 6,539,753,685,094.08
  5. Step 5: Solve for x
    x = 6,539,753,685,094.08/3,408,829.60
  6. Step 6: Final answer
    x = 1,918,474.80

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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.