Home / 3,408,276.40-5,112,414.60-1,012,490.80

Finding the Fourth Proportional to 3,408,276.40, 5,112,414.60 and 1,012,490.80

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Solution

The fourth proportional to 3,408,276.40, 5,112,414.60 and 1,012,490.80 is: 1,518,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,276.40 : 5,112,414.60 = 1,012,490.80 : x
  2. Step 2: Convert to fraction form
    3,408,276.40/5,112,414.60 = 1,012,490.80/x
  3. Step 3: Cross multiply
    3,408,276.40x = 5,112,414.60 × 1,012,490.80
  4. Step 4: Simplify right side
    3,408,276.40x = 5,176,272,748,285.68
  5. Step 5: Solve for x
    x = 5,176,272,748,285.68/3,408,276.40
  6. Step 6: Final answer
    x = 1,518,736.20

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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.