Home / 2,423,420.80-3,635,131.20-827,785.60

Finding the Fourth Proportional to 2,423,420.80, 3,635,131.20 and 827,785.60

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Solution

The fourth proportional to 2,423,420.80, 3,635,131.20 and 827,785.60 is: 1,241,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423,420.80 : 3,635,131.20 = 827,785.60 : x
  2. Step 2: Convert to fraction form
    2,423,420.80/3,635,131.20 = 827,785.60/x
  3. Step 3: Cross multiply
    2,423,420.80x = 3,635,131.20 × 827,785.60
  4. Step 4: Simplify right side
    2,423,420.80x = 3,009,109,261,470.72
  5. Step 5: Solve for x
    x = 3,009,109,261,470.72/2,423,420.80
  6. Step 6: Final answer
    x = 1,241,678.40

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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.