Home / 2,976,998.20-4,108,133.46-1,687,925.80

Finding the Fourth Proportional to 2,976,998.20, 4,108,133.46 and 1,687,925.80

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Solution

The fourth proportional to 2,976,998.20, 4,108,133.46 and 1,687,925.80 is: 2,329,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,998.20 : 4,108,133.46 = 1,687,925.80 : x
  2. Step 2: Convert to fraction form
    2,976,998.20/4,108,133.46 = 1,687,925.80/x
  3. Step 3: Cross multiply
    2,976,998.20x = 4,108,133.46 × 1,687,925.80
  4. Step 4: Simplify right side
    2,976,998.20x = 6,934,224,456,977.27
  5. Step 5: Solve for x
    x = 6,934,224,456,977.27/2,976,998.20
  6. Step 6: Final answer
    x = 2,329,267.27

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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.