Home / 2,655,032.69-3,982,572.26-857,916.47

Finding the Fourth Proportional to 2,655,032.69, 3,982,572.26 and 857,916.47

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Solution

The fourth proportional to 2,655,032.69, 3,982,572.26 and 857,916.47 is: 1,286,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,032.69 : 3,982,572.26 = 857,916.47 : x
  2. Step 2: Convert to fraction form
    2,655,032.69/3,982,572.26 = 857,916.47/x
  3. Step 3: Cross multiply
    2,655,032.69x = 3,982,572.26 × 857,916.47
  4. Step 4: Simplify right side
    2,655,032.69x = 3,416,714,310,616.68
  5. Step 5: Solve for x
    x = 3,416,714,310,616.68/2,655,032.69
  6. Step 6: Final answer
    x = 1,286,882.20

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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.