Home / 4,428,806.80-6,643,210.20-2,189,318.80

Finding the Fourth Proportional to 4,428,806.80, 6,643,210.20 and 2,189,318.80

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Solution

The fourth proportional to 4,428,806.80, 6,643,210.20 and 2,189,318.80 is: 3,283,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,806.80 : 6,643,210.20 = 2,189,318.80 : x
  2. Step 2: Convert to fraction form
    4,428,806.80/6,643,210.20 = 2,189,318.80/x
  3. Step 3: Cross multiply
    4,428,806.80x = 6,643,210.20 × 2,189,318.80
  4. Step 4: Simplify right side
    4,428,806.80x = 14,544,104,983,211.76
  5. Step 5: Solve for x
    x = 14,544,104,983,211.76/4,428,806.80
  6. Step 6: Final answer
    x = 3,283,978.20

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Similar ratio
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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.