Home / 2,580,621.80-3,870,011.10-897,780.20

Finding the Fourth Proportional to 2,580,621.80, 3,870,011.10 and 897,780.20

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Solution

The fourth proportional to 2,580,621.80, 3,870,011.10 and 897,780.20 is: 1,346,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,621.80 : 3,870,011.10 = 897,780.20 : x
  2. Step 2: Convert to fraction form
    2,580,621.80/3,870,011.10 = 897,780.20/x
  3. Step 3: Cross multiply
    2,580,621.80x = 3,870,011.10 × 897,780.20
  4. Step 4: Simplify right side
    2,580,621.80x = 3,474,419,339,360.22
  5. Step 5: Solve for x
    x = 3,474,419,339,360.22/2,580,621.80
  6. Step 6: Final answer
    x = 1,346,349.68

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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.