Home / 3,921,741.18-5,411,163.24-2,289,407.76

Finding the Fourth Proportional to 3,921,741.18, 5,411,163.24 and 2,289,407.76

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Solution

The fourth proportional to 3,921,741.18, 5,411,163.24 and 2,289,407.76 is: 3,158,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,741.18 : 5,411,163.24 = 2,289,407.76 : x
  2. Step 2: Convert to fraction form
    3,921,741.18/5,411,163.24 = 2,289,407.76/x
  3. Step 3: Cross multiply
    3,921,741.18x = 5,411,163.24 × 2,289,407.76
  4. Step 4: Simplify right side
    3,921,741.18x = 12,388,359,112,282.74
  5. Step 5: Solve for x
    x = 12,388,359,112,282.74/3,921,741.18
  6. Step 6: Final answer
    x = 3,158,892.58

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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.