Home / 3,177,872.64-4,386,877.92-1,889,130.24

Finding the Fourth Proportional to 3,177,872.64, 4,386,877.92 and 1,889,130.24

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Solution

The fourth proportional to 3,177,872.64, 4,386,877.92 and 1,889,130.24 is: 2,607,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,872.64 : 4,386,877.92 = 1,889,130.24 : x
  2. Step 2: Convert to fraction form
    3,177,872.64/4,386,877.92 = 1,889,130.24/x
  3. Step 3: Cross multiply
    3,177,872.64x = 4,386,877.92 × 1,889,130.24
  4. Step 4: Simplify right side
    3,177,872.64x = 8,287,383,737,860.30
  5. Step 5: Solve for x
    x = 8,287,383,737,860.30/3,177,872.64
  6. Step 6: Final answer
    x = 2,607,840.11

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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.