Home / 3,856,866.20-5,781,220.36-1,426,457.56

Finding the Fourth Proportional to 3,856,866.20, 5,781,220.36 and 1,426,457.56

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Solution

The fourth proportional to 3,856,866.20, 5,781,220.36 and 1,426,457.56 is: 2,138,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,866.20 : 5,781,220.36 = 1,426,457.56 : x
  2. Step 2: Convert to fraction form
    3,856,866.20/5,781,220.36 = 1,426,457.56/x
  3. Step 3: Cross multiply
    3,856,866.20x = 5,781,220.36 × 1,426,457.56
  4. Step 4: Simplify right side
    3,856,866.20x = 8,246,665,488,547.92
  5. Step 5: Solve for x
    x = 8,246,665,488,547.92/3,856,866.20
  6. Step 6: Final answer
    x = 2,138,177.75

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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.