Home / 3,856,870.22-5,781,226.37-1,426,461.53

Finding the Fourth Proportional to 3,856,870.22, 5,781,226.37 and 1,426,461.53

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Solution

The fourth proportional to 3,856,870.22, 5,781,226.37 and 1,426,461.53 is: 2,138,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,870.22 : 5,781,226.37 = 1,426,461.53 : x
  2. Step 2: Convert to fraction form
    3,856,870.22/5,781,226.37 = 1,426,461.53/x
  3. Step 3: Cross multiply
    3,856,870.22x = 5,781,226.37 × 1,426,461.53
  4. Step 4: Simplify right side
    3,856,870.22x = 8,246,696,976,988.11
  5. Step 5: Solve for x
    x = 8,246,696,976,988.11/3,856,870.22
  6. Step 6: Final answer
    x = 2,138,183.69

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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.