Home / 5,419,353.12-7,478,717.68-2,971,981.44

Finding the Fourth Proportional to 5,419,353.12, 7,478,717.68 and 2,971,981.44

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Solution

The fourth proportional to 5,419,353.12, 7,478,717.68 and 2,971,981.44 is: 4,101,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,353.12 : 7,478,717.68 = 2,971,981.44 : x
  2. Step 2: Convert to fraction form
    5,419,353.12/7,478,717.68 = 2,971,981.44/x
  3. Step 3: Cross multiply
    5,419,353.12x = 7,478,717.68 × 2,971,981.44
  4. Step 4: Simplify right side
    5,419,353.12x = 22,226,610,139,959.86
  5. Step 5: Solve for x
    x = 22,226,610,139,959.86/5,419,353.12
  6. Step 6: Final answer
    x = 4,101,340.08

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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.