Home / 4,280,867.60-6,420,617.85-1,247,523.93

Finding the Fourth Proportional to 4,280,867.60, 6,420,617.85 and 1,247,523.93

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Solution

The fourth proportional to 4,280,867.60, 6,420,617.85 and 1,247,523.93 is: 1,871,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,867.60 : 6,420,617.85 = 1,247,523.93 : x
  2. Step 2: Convert to fraction form
    4,280,867.60/6,420,617.85 = 1,247,523.93/x
  3. Step 3: Cross multiply
    4,280,867.60x = 6,420,617.85 × 1,247,523.93
  4. Step 4: Simplify right side
    4,280,867.60x = 8,009,874,392,167.20
  5. Step 5: Solve for x
    x = 8,009,874,392,167.20/4,280,867.60
  6. Step 6: Final answer
    x = 1,871,086.69

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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.