Home / 2,176,822.40-3,264,379.20-828,268.80

Finding the Fourth Proportional to 2,176,822.40, 3,264,379.20 and 828,268.80

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Solution

The fourth proportional to 2,176,822.40, 3,264,379.20 and 828,268.80 is: 1,242,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,822.40 : 3,264,379.20 = 828,268.80 : x
  2. Step 2: Convert to fraction form
    2,176,822.40/3,264,379.20 = 828,268.80/x
  3. Step 3: Cross multiply
    2,176,822.40x = 3,264,379.20 × 828,268.80
  4. Step 4: Simplify right side
    2,176,822.40x = 2,703,783,442,728.96
  5. Step 5: Solve for x
    x = 2,703,783,442,728.96/2,176,822.40
  6. Step 6: Final answer
    x = 1,242,078.11

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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.