Home / 2,952,403.40-4,428,605.10-822,816.20

Finding the Fourth Proportional to 2,952,403.40, 4,428,605.10 and 822,816.20

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Solution

The fourth proportional to 2,952,403.40, 4,428,605.10 and 822,816.20 is: 1,234,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,403.40 : 4,428,605.10 = 822,816.20 : x
  2. Step 2: Convert to fraction form
    2,952,403.40/4,428,605.10 = 822,816.20/x
  3. Step 3: Cross multiply
    2,952,403.40x = 4,428,605.10 × 822,816.20
  4. Step 4: Simplify right side
    2,952,403.40x = 3,643,928,019,682.62
  5. Step 5: Solve for x
    x = 3,643,928,019,682.62/2,952,403.40
  6. Step 6: Final answer
    x = 1,234,224.30

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Similar ratio
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1.5x scale

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.