Home / 2,927,544.30-4,040,101.85-1,638,381.62

Finding the Fourth Proportional to 2,927,544.30, 4,040,101.85 and 1,638,381.62

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Solution

The fourth proportional to 2,927,544.30, 4,040,101.85 and 1,638,381.62 is: 2,261,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,544.30 : 4,040,101.85 = 1,638,381.62 : x
  2. Step 2: Convert to fraction form
    2,927,544.30/4,040,101.85 = 1,638,381.62/x
  3. Step 3: Cross multiply
    2,927,544.30x = 4,040,101.85 × 1,638,381.62
  4. Step 4: Simplify right side
    2,927,544.30x = 6,619,228,585,575.58
  5. Step 5: Solve for x
    x = 6,619,228,585,575.58/2,927,544.30
  6. Step 6: Final answer
    x = 2,261,017.39

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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.