Home / 3,115,679.64-4,673,689.56-985,605.36

Finding the Fourth Proportional to 3,115,679.64, 4,673,689.56 and 985,605.36

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Solution

The fourth proportional to 3,115,679.64, 4,673,689.56 and 985,605.36 is: 1,478,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,679.64 : 4,673,689.56 = 985,605.36 : x
  2. Step 2: Convert to fraction form
    3,115,679.64/4,673,689.56 = 985,605.36/x
  3. Step 3: Cross multiply
    3,115,679.64x = 4,673,689.56 × 985,605.36
  4. Step 4: Simplify right side
    3,115,679.64x = 4,606,413,481,312.04
  5. Step 5: Solve for x
    x = 4,606,413,481,312.04/3,115,679.64
  6. Step 6: Final answer
    x = 1,478,461.85

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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.