Home / 6,438,948.16-8,885,915.04-3,538,419.52

Finding the Fourth Proportional to 6,438,948.16, 8,885,915.04 and 3,538,419.52

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Solution

The fourth proportional to 6,438,948.16, 8,885,915.04 and 3,538,419.52 is: 4,883,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,948.16 : 8,885,915.04 = 3,538,419.52 : x
  2. Step 2: Convert to fraction form
    6,438,948.16/8,885,915.04 = 3,538,419.52/x
  3. Step 3: Cross multiply
    6,438,948.16x = 8,885,915.04 × 3,538,419.52
  4. Step 4: Simplify right side
    6,438,948.16x = 31,442,095,230,597.58
  5. Step 5: Solve for x
    x = 31,442,095,230,597.58/6,438,948.16
  6. Step 6: Final answer
    x = 4,883,110.48

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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.