Home / 2,981,957.78-4,114,993.09-1,623,800.98

Finding the Fourth Proportional to 2,981,957.78, 4,114,993.09 and 1,623,800.98

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Solution

The fourth proportional to 2,981,957.78, 4,114,993.09 and 1,623,800.98 is: 2,240,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,957.78 : 4,114,993.09 = 1,623,800.98 : x
  2. Step 2: Convert to fraction form
    2,981,957.78/4,114,993.09 = 1,623,800.98/x
  3. Step 3: Cross multiply
    2,981,957.78x = 4,114,993.09 × 1,623,800.98
  4. Step 4: Simplify right side
    2,981,957.78x = 6,681,929,812,235.23
  5. Step 5: Solve for x
    x = 6,681,929,812,235.23/2,981,957.78
  6. Step 6: Final answer
    x = 2,240,786.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.