Home / 2,117,557.47-3,174,550.38-918,576.57

Finding the Fourth Proportional to 2,117,557.47, 3,174,550.38 and 918,576.57

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Solution

The fourth proportional to 2,117,557.47, 3,174,550.38 and 918,576.57 is: 1,377,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,557.47 : 3,174,550.38 = 918,576.57 : x
  2. Step 2: Convert to fraction form
    2,117,557.47/3,174,550.38 = 918,576.57/x
  3. Step 3: Cross multiply
    2,117,557.47x = 3,174,550.38 × 918,576.57
  4. Step 4: Simplify right side
    2,117,557.47x = 2,916,067,599,352.60
  5. Step 5: Solve for x
    x = 2,916,067,599,352.60/2,117,557.47
  6. Step 6: Final answer
    x = 1,377,090.18

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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.