Home / 6,318,836.19-8,719,967.66-3,418,219.89

Finding the Fourth Proportional to 6,318,836.19, 8,719,967.66 and 3,418,219.89

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Solution

The fourth proportional to 6,318,836.19, 8,719,967.66 and 3,418,219.89 is: 4,717,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318,836.19 : 8,719,967.66 = 3,418,219.89 : x
  2. Step 2: Convert to fraction form
    6,318,836.19/8,719,967.66 = 3,418,219.89/x
  3. Step 3: Cross multiply
    6,318,836.19x = 8,719,967.66 × 3,418,219.89
  4. Step 4: Simplify right side
    6,318,836.19x = 29,806,766,878,477.66
  5. Step 5: Solve for x
    x = 29,806,766,878,477.66/6,318,836.19
  6. Step 6: Final answer
    x = 4,717,129.23

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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.