Home / 3,143,717.76-4,338,330.55-1,712,933.76

Finding the Fourth Proportional to 3,143,717.76, 4,338,330.55 and 1,712,933.76

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Solution

The fourth proportional to 3,143,717.76, 4,338,330.55 and 1,712,933.76 is: 2,363,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,717.76 : 4,338,330.55 = 1,712,933.76 : x
  2. Step 2: Convert to fraction form
    3,143,717.76/4,338,330.55 = 1,712,933.76/x
  3. Step 3: Cross multiply
    3,143,717.76x = 4,338,330.55 × 1,712,933.76
  4. Step 4: Simplify right side
    3,143,717.76x = 7,431,272,861,134.37
  5. Step 5: Solve for x
    x = 7,431,272,861,134.37/3,143,717.76
  6. Step 6: Final answer
    x = 2,363,848.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.