Home / 2,816,948.80-4,225,423.20-822,404.80

Finding the Fourth Proportional to 2,816,948.80, 4,225,423.20 and 822,404.80

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Solution

The fourth proportional to 2,816,948.80, 4,225,423.20 and 822,404.80 is: 1,233,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,948.80 : 4,225,423.20 = 822,404.80 : x
  2. Step 2: Convert to fraction form
    2,816,948.80/4,225,423.20 = 822,404.80/x
  3. Step 3: Cross multiply
    2,816,948.80x = 4,225,423.20 × 822,404.80
  4. Step 4: Simplify right side
    2,816,948.80x = 3,475,008,321,711.36
  5. Step 5: Solve for x
    x = 3,475,008,321,711.36/2,816,948.80
  6. Step 6: Final answer
    x = 1,233,607.20

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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.