Home / 6,390,611.56-8,818,999.09-3,490,003.18

Finding the Fourth Proportional to 6,390,611.56, 8,818,999.09 and 3,490,003.18

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Solution

The fourth proportional to 6,390,611.56, 8,818,999.09 and 3,490,003.18 is: 4,816,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,611.56 : 8,818,999.09 = 3,490,003.18 : x
  2. Step 2: Convert to fraction form
    6,390,611.56/8,818,999.09 = 3,490,003.18/x
  3. Step 3: Cross multiply
    6,390,611.56x = 8,818,999.09 × 3,490,003.18
  4. Step 4: Simplify right side
    6,390,611.56x = 30,778,334,868,517.11
  5. Step 5: Solve for x
    x = 30,778,334,868,517.11/6,390,611.56
  6. Step 6: Final answer
    x = 4,816,179.89

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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.