Home / 2,686,142.40-4,029,508.80-888,371.04

Finding the Fourth Proportional to 2,686,142.40, 4,029,508.80 and 888,371.04

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Solution

The fourth proportional to 2,686,142.40, 4,029,508.80 and 888,371.04 is: 1,332,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,142.40 : 4,029,508.80 = 888,371.04 : x
  2. Step 2: Convert to fraction form
    2,686,142.40/4,029,508.80 = 888,371.04/x
  3. Step 3: Cross multiply
    2,686,142.40x = 4,029,508.80 × 888,371.04
  4. Step 4: Simplify right side
    2,686,142.40x = 3,579,698,923,345.15
  5. Step 5: Solve for x
    x = 3,579,698,923,345.15/2,686,142.40
  6. Step 6: Final answer
    x = 1,332,654.19

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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.