Home / 6,464,366.48-8,921,633.28-3,711,915.20

Finding the Fourth Proportional to 6,464,366.48, 8,921,633.28 and 3,711,915.20

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Solution

The fourth proportional to 6,464,366.48, 8,921,633.28 and 3,711,915.20 is: 5,122,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,366.48 : 8,921,633.28 = 3,711,915.20 : x
  2. Step 2: Convert to fraction form
    6,464,366.48/8,921,633.28 = 3,711,915.20/x
  3. Step 3: Cross multiply
    6,464,366.48x = 8,921,633.28 × 3,711,915.20
  4. Step 4: Simplify right side
    6,464,366.48x = 33,116,346,180,857.86
  5. Step 5: Solve for x
    x = 33,116,346,180,857.86/6,464,366.48
  6. Step 6: Final answer
    x = 5,122,906.67

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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.