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Finding the Fourth Proportional to 3,611,898.93, 5,418,750.42 and 2,549,016.93

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Solution

The fourth proportional to 3,611,898.93, 5,418,750.42 and 2,549,016.93 is: 3,824,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,898.93 : 5,418,750.42 = 2,549,016.93 : x
  2. Step 2: Convert to fraction form
    3,611,898.93/5,418,750.42 = 2,549,016.93/x
  3. Step 3: Cross multiply
    3,611,898.93x = 5,418,750.42 × 2,549,016.93
  4. Step 4: Simplify right side
    3,611,898.93x = 13,812,486,560,024.61
  5. Step 5: Solve for x
    x = 13,812,486,560,024.61/3,611,898.93
  6. Step 6: Final answer
    x = 3,824,161.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.