Home / 2,816,949.20-4,225,423.80-822,405.20

Finding the Fourth Proportional to 2,816,949.20, 4,225,423.80 and 822,405.20

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Solution

The fourth proportional to 2,816,949.20, 4,225,423.80 and 822,405.20 is: 1,233,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,949.20 : 4,225,423.80 = 822,405.20 : x
  2. Step 2: Convert to fraction form
    2,816,949.20/4,225,423.80 = 822,405.20/x
  3. Step 3: Cross multiply
    2,816,949.20x = 4,225,423.80 × 822,405.20
  4. Step 4: Simplify right side
    2,816,949.20x = 3,475,010,505,323.76
  5. Step 5: Solve for x
    x = 3,475,010,505,323.76/2,816,949.20
  6. Step 6: Final answer
    x = 1,233,607.80

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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.