Home / 2,942,090.73-4,413,390.03-812,175.21

Finding the Fourth Proportional to 2,942,090.73, 4,413,390.03 and 812,175.21

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Solution

The fourth proportional to 2,942,090.73, 4,413,390.03 and 812,175.21 is: 1,218,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,090.73 : 4,413,390.03 = 812,175.21 : x
  2. Step 2: Convert to fraction form
    2,942,090.73/4,413,390.03 = 812,175.21/x
  3. Step 3: Cross multiply
    2,942,090.73x = 4,413,390.03 × 812,175.21
  4. Step 4: Simplify right side
    2,942,090.73x = 3,584,445,974,427.16
  5. Step 5: Solve for x
    x = 3,584,445,974,427.16/2,942,090.73
  6. Step 6: Final answer
    x = 1,218,332.91

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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.