Home / 4,178,400.90-6,268,503.72-1,299,712.95

Finding the Fourth Proportional to 4,178,400.90, 6,268,503.72 and 1,299,712.95

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Solution

The fourth proportional to 4,178,400.90, 6,268,503.72 and 1,299,712.95 is: 1,949,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,400.90 : 6,268,503.72 = 1,299,712.95 : x
  2. Step 2: Convert to fraction form
    4,178,400.90/6,268,503.72 = 1,299,712.95/x
  3. Step 3: Cross multiply
    4,178,400.90x = 6,268,503.72 × 1,299,712.95
  4. Step 4: Simplify right side
    4,178,400.90x = 8,147,255,462,007.17
  5. Step 5: Solve for x
    x = 8,147,255,462,007.17/4,178,400.90
  6. Step 6: Final answer
    x = 1,949,850.11

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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.