Home / 2,964,812.80-4,447,219.20-720,950.80

Finding the Fourth Proportional to 2,964,812.80, 4,447,219.20 and 720,950.80

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Solution

The fourth proportional to 2,964,812.80, 4,447,219.20 and 720,950.80 is: 1,081,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964,812.80 : 4,447,219.20 = 720,950.80 : x
  2. Step 2: Convert to fraction form
    2,964,812.80/4,447,219.20 = 720,950.80/x
  3. Step 3: Cross multiply
    2,964,812.80x = 4,447,219.20 × 720,950.80
  4. Step 4: Simplify right side
    2,964,812.80x = 3,206,226,240,015.36
  5. Step 5: Solve for x
    x = 3,206,226,240,015.36/2,964,812.80
  6. Step 6: Final answer
    x = 1,081,426.20

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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.