Home / 3,908,185.20-5,393,294.48-2,142,073.35

Finding the Fourth Proportional to 3,908,185.20, 5,393,294.48 and 2,142,073.35

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Solution

The fourth proportional to 3,908,185.20, 5,393,294.48 and 2,142,073.35 is: 2,956,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,185.20 : 5,393,294.48 = 2,142,073.35 : x
  2. Step 2: Convert to fraction form
    3,908,185.20/5,393,294.48 = 2,142,073.35/x
  3. Step 3: Cross multiply
    3,908,185.20x = 5,393,294.48 × 2,142,073.35
  4. Step 4: Simplify right side
    3,908,185.20x = 11,552,832,379,665.29
  5. Step 5: Solve for x
    x = 11,552,832,379,665.29/3,908,185.20
  6. Step 6: Final answer
    x = 2,956,060.62

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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.