Home / 3,913,728.80-5,870,593.20-1,892,940.80

Finding the Fourth Proportional to 3,913,728.80, 5,870,593.20 and 1,892,940.80

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Solution

The fourth proportional to 3,913,728.80, 5,870,593.20 and 1,892,940.80 is: 2,839,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,728.80 : 5,870,593.20 = 1,892,940.80 : x
  2. Step 2: Convert to fraction form
    3,913,728.80/5,870,593.20 = 1,892,940.80/x
  3. Step 3: Cross multiply
    3,913,728.80x = 5,870,593.20 × 1,892,940.80
  4. Step 4: Simplify right side
    3,913,728.80x = 11,112,685,388,482.56
  5. Step 5: Solve for x
    x = 11,112,685,388,482.56/3,913,728.80
  6. Step 6: Final answer
    x = 2,839,411.20

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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.