Home / 6,388,531.75-8,816,127.76-3,487,922.62

Finding the Fourth Proportional to 6,388,531.75, 8,816,127.76 and 3,487,922.62

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Solution

The fourth proportional to 6,388,531.75, 8,816,127.76 and 3,487,922.62 is: 4,813,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,531.75 : 8,816,127.76 = 3,487,922.62 : x
  2. Step 2: Convert to fraction form
    6,388,531.75/8,816,127.76 = 3,487,922.62/x
  3. Step 3: Cross multiply
    6,388,531.75x = 8,816,127.76 × 3,487,922.62
  4. Step 4: Simplify right side
    6,388,531.75x = 30,749,971,435,943.18
  5. Step 5: Solve for x
    x = 30,749,971,435,943.18/6,388,531.75
  6. Step 6: Final answer
    x = 4,813,308.07

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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.