Home / 2,819,643.20-4,229,464.80-926,446.40

Finding the Fourth Proportional to 2,819,643.20, 4,229,464.80 and 926,446.40

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Solution

The fourth proportional to 2,819,643.20, 4,229,464.80 and 926,446.40 is: 1,389,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,643.20 : 4,229,464.80 = 926,446.40 : x
  2. Step 2: Convert to fraction form
    2,819,643.20/4,229,464.80 = 926,446.40/x
  3. Step 3: Cross multiply
    2,819,643.20x = 4,229,464.80 × 926,446.40
  4. Step 4: Simplify right side
    2,819,643.20x = 3,918,372,437,886.72
  5. Step 5: Solve for x
    x = 3,918,372,437,886.72/2,819,643.20
  6. Step 6: Final answer
    x = 1,389,669.60

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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.