Home / 6,686,990.64-9,227,915.28-3,933,975.60

Finding the Fourth Proportional to 6,686,990.64, 9,227,915.28 and 3,933,975.60

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Solution

The fourth proportional to 6,686,990.64, 9,227,915.28 and 3,933,975.60 is: 5,428,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686,990.64 : 9,227,915.28 = 3,933,975.60 : x
  2. Step 2: Convert to fraction form
    6,686,990.64/9,227,915.28 = 3,933,975.60/x
  3. Step 3: Cross multiply
    6,686,990.64x = 9,227,915.28 × 3,933,975.60
  4. Step 4: Simplify right side
    6,686,990.64x = 36,302,393,550,387.16
  5. Step 5: Solve for x
    x = 36,302,393,550,387.16/6,686,990.64
  6. Step 6: Final answer
    x = 5,428,808.79

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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.