Home / 1,786,816.80-2,676,288.60-1,587,362.40

Finding the Fourth Proportional to 1,786,816.80, 2,676,288.60 and 1,587,362.40

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Solution

The fourth proportional to 1,786,816.80, 2,676,288.60 and 1,587,362.40 is: 2,377,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,816.80 : 2,676,288.60 = 1,587,362.40 : x
  2. Step 2: Convert to fraction form
    1,786,816.80/2,676,288.60 = 1,587,362.40/x
  3. Step 3: Cross multiply
    1,786,816.80x = 2,676,288.60 × 1,587,362.40
  4. Step 4: Simplify right side
    1,786,816.80x = 4,248,239,895,188.64
  5. Step 5: Solve for x
    x = 4,248,239,895,188.64/1,786,816.80
  6. Step 6: Final answer
    x = 2,377,546.43

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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.