Home / 2,942,126.76-4,413,443.94-812,211.24

Finding the Fourth Proportional to 2,942,126.76, 4,413,443.94 and 812,211.24

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Solution

The fourth proportional to 2,942,126.76, 4,413,443.94 and 812,211.24 is: 1,218,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,126.76 : 4,413,443.94 = 812,211.24 : x
  2. Step 2: Convert to fraction form
    2,942,126.76/4,413,443.94 = 812,211.24/x
  3. Step 3: Cross multiply
    2,942,126.76x = 4,413,443.94 × 812,211.24
  4. Step 4: Simplify right side
    2,942,126.76x = 3,584,648,775,177.89
  5. Step 5: Solve for x
    x = 3,584,648,775,177.89/2,942,126.76
  6. Step 6: Final answer
    x = 1,218,386.92

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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.