Home / 5,440,811.76-8,151,759.72-3,818,139.12

Finding the Fourth Proportional to 5,440,811.76, 8,151,759.72 and 3,818,139.12

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Solution

The fourth proportional to 5,440,811.76, 8,151,759.72 and 3,818,139.12 is: 5,720,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440,811.76 : 8,151,759.72 = 3,818,139.12 : x
  2. Step 2: Convert to fraction form
    5,440,811.76/8,151,759.72 = 3,818,139.12/x
  3. Step 3: Cross multiply
    5,440,811.76x = 8,151,759.72 × 3,818,139.12
  4. Step 4: Simplify right side
    5,440,811.76x = 31,124,552,683,772.25
  5. Step 5: Solve for x
    x = 31,124,552,683,772.25/5,440,811.76
  6. Step 6: Final answer
    x = 5,720,571.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.