Home / 3,895,660.86-5,376,000.72-2,176,782.75

Finding the Fourth Proportional to 3,895,660.86, 5,376,000.72 and 2,176,782.75

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Solution

The fourth proportional to 3,895,660.86, 5,376,000.72 and 2,176,782.75 is: 3,003,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,660.86 : 5,376,000.72 = 2,176,782.75 : x
  2. Step 2: Convert to fraction form
    3,895,660.86/5,376,000.72 = 2,176,782.75/x
  3. Step 3: Cross multiply
    3,895,660.86x = 5,376,000.72 × 2,176,782.75
  4. Step 4: Simplify right side
    3,895,660.86x = 11,702,385,631,283.58
  5. Step 5: Solve for x
    x = 11,702,385,631,283.58/3,895,660.86
  6. Step 6: Final answer
    x = 3,003,953.90

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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.