Home / 2,580,231.80-3,870,360.06-783,130.88

Finding the Fourth Proportional to 2,580,231.80, 3,870,360.06 and 783,130.88

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Solution

The fourth proportional to 2,580,231.80, 3,870,360.06 and 783,130.88 is: 1,174,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,231.80 : 3,870,360.06 = 783,130.88 : x
  2. Step 2: Convert to fraction form
    2,580,231.80/3,870,360.06 = 783,130.88/x
  3. Step 3: Cross multiply
    2,580,231.80x = 3,870,360.06 × 783,130.88
  4. Step 4: Simplify right side
    2,580,231.80x = 3,030,998,479,704.65
  5. Step 5: Solve for x
    x = 3,030,998,479,704.65/2,580,231.80
  6. Step 6: Final answer
    x = 1,174,700.07

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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.