Home / 6,388,541.24-8,816,140.80-3,487,932.10

Finding the Fourth Proportional to 6,388,541.24, 8,816,140.80 and 3,487,932.10

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Solution

The fourth proportional to 6,388,541.24, 8,816,140.80 and 3,487,932.10 is: 4,813,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,541.24 : 8,816,140.80 = 3,487,932.10 : x
  2. Step 2: Convert to fraction form
    6,388,541.24/8,816,140.80 = 3,487,932.10/x
  3. Step 3: Cross multiply
    6,388,541.24x = 8,816,140.80 × 3,487,932.10
  4. Step 4: Simplify right side
    6,388,541.24x = 30,750,100,472,399.33
  5. Step 5: Solve for x
    x = 30,750,100,472,399.33/6,388,541.24
  6. Step 6: Final answer
    x = 4,813,321.12

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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.