Home / 3,875,319.20-5,807,449.20-2,856,490.40

Finding the Fourth Proportional to 3,875,319.20, 5,807,449.20 and 2,856,490.40

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Solution

The fourth proportional to 3,875,319.20, 5,807,449.20 and 2,856,490.40 is: 4,280,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,319.20 : 5,807,449.20 = 2,856,490.40 : x
  2. Step 2: Convert to fraction form
    3,875,319.20/5,807,449.20 = 2,856,490.40/x
  3. Step 3: Cross multiply
    3,875,319.20x = 5,807,449.20 × 2,856,490.40
  4. Step 4: Simplify right side
    3,875,319.20x = 16,588,922,888,287.68
  5. Step 5: Solve for x
    x = 16,588,922,888,287.68/3,875,319.20
  6. Step 6: Final answer
    x = 4,280,659.74

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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.