Home / 3,911,974.86-5,398,444.87-2,169,363.05

Finding the Fourth Proportional to 3,911,974.86, 5,398,444.87 and 2,169,363.05

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Solution

The fourth proportional to 3,911,974.86, 5,398,444.87 and 2,169,363.05 is: 2,993,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,974.86 : 5,398,444.87 = 2,169,363.05 : x
  2. Step 2: Convert to fraction form
    3,911,974.86/5,398,444.87 = 2,169,363.05/x
  3. Step 3: Cross multiply
    3,911,974.86x = 5,398,444.87 × 2,169,363.05
  4. Step 4: Simplify right side
    3,911,974.86x = 11,711,186,796,024.42
  5. Step 5: Solve for x
    x = 11,711,186,796,024.42/3,911,974.86
  6. Step 6: Final answer
    x = 2,993,676.39

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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.