Home / 5,071,985.14-7,609,144.13-1,660,381.78

Finding the Fourth Proportional to 5,071,985.14, 7,609,144.13 and 1,660,381.78

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Solution

The fourth proportional to 5,071,985.14, 7,609,144.13 and 1,660,381.78 is: 2,490,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,985.14 : 7,609,144.13 = 1,660,381.78 : x
  2. Step 2: Convert to fraction form
    5,071,985.14/7,609,144.13 = 1,660,381.78/x
  3. Step 3: Cross multiply
    5,071,985.14x = 7,609,144.13 × 1,660,381.78
  4. Step 4: Simplify right side
    5,071,985.14x = 12,634,084,274,845.95
  5. Step 5: Solve for x
    x = 12,634,084,274,845.95/5,071,985.14
  6. Step 6: Final answer
    x = 2,490,954.51

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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.