Home / 5,383,615.32-7,428,060.05-3,178,529.57

Finding the Fourth Proportional to 5,383,615.32, 7,428,060.05 and 3,178,529.57

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Solution

The fourth proportional to 5,383,615.32, 7,428,060.05 and 3,178,529.57 is: 4,385,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,615.32 : 7,428,060.05 = 3,178,529.57 : x
  2. Step 2: Convert to fraction form
    5,383,615.32/7,428,060.05 = 3,178,529.57/x
  3. Step 3: Cross multiply
    5,383,615.32x = 7,428,060.05 × 3,178,529.57
  4. Step 4: Simplify right side
    5,383,615.32x = 23,610,308,519,338.18
  5. Step 5: Solve for x
    x = 23,610,308,519,338.18/5,383,615.32
  6. Step 6: Final answer
    x = 4,385,586.10

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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.