Home / 1,940,977.80-2,911,553.10-661,566.60

Finding the Fourth Proportional to 1,940,977.80, 2,911,553.10 and 661,566.60

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Solution

The fourth proportional to 1,940,977.80, 2,911,553.10 and 661,566.60 is: 992,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,977.80 : 2,911,553.10 = 661,566.60 : x
  2. Step 2: Convert to fraction form
    1,940,977.80/2,911,553.10 = 661,566.60/x
  3. Step 3: Cross multiply
    1,940,977.80x = 2,911,553.10 × 661,566.60
  4. Step 4: Simplify right side
    1,940,977.80x = 1,926,186,285,086.46
  5. Step 5: Solve for x
    x = 1,926,186,285,086.46/1,940,977.80
  6. Step 6: Final answer
    x = 992,379.35

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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.