Home / 6,340,941.60-8,752,055.94-3,894,135.72

Finding the Fourth Proportional to 6,340,941.60, 8,752,055.94 and 3,894,135.72

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Solution

The fourth proportional to 6,340,941.60, 8,752,055.94 and 3,894,135.72 is: 5,374,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340,941.60 : 8,752,055.94 = 3,894,135.72 : x
  2. Step 2: Convert to fraction form
    6,340,941.60/8,752,055.94 = 3,894,135.72/x
  3. Step 3: Cross multiply
    6,340,941.60x = 8,752,055.94 × 3,894,135.72
  4. Step 4: Simplify right side
    6,340,941.60x = 34,081,693,659,392.18
  5. Step 5: Solve for x
    x = 34,081,693,659,392.18/6,340,941.60
  6. Step 6: Final answer
    x = 5,374,863.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.