Home / 2,605,768.80-3,909,175.61-899,974.65

Finding the Fourth Proportional to 2,605,768.80, 3,909,175.61 and 899,974.65

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Solution

The fourth proportional to 2,605,768.80, 3,909,175.61 and 899,974.65 is: 1,350,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,768.80 : 3,909,175.61 = 899,974.65 : x
  2. Step 2: Convert to fraction form
    2,605,768.80/3,909,175.61 = 899,974.65/x
  3. Step 3: Cross multiply
    2,605,768.80x = 3,909,175.61 × 899,974.65
  4. Step 4: Simplify right side
    2,605,768.80x = 3,518,158,946,898.41
  5. Step 5: Solve for x
    x = 3,518,158,946,898.41/2,605,768.80
  6. Step 6: Final answer
    x = 1,350,142.40

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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.