Home / 3,280,686.80-4,921,030.20-2,005,228.40

Finding the Fourth Proportional to 3,280,686.80, 4,921,030.20 and 2,005,228.40

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Solution

The fourth proportional to 3,280,686.80, 4,921,030.20 and 2,005,228.40 is: 3,007,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,686.80 : 4,921,030.20 = 2,005,228.40 : x
  2. Step 2: Convert to fraction form
    3,280,686.80/4,921,030.20 = 2,005,228.40/x
  3. Step 3: Cross multiply
    3,280,686.80x = 4,921,030.20 × 2,005,228.40
  4. Step 4: Simplify right side
    3,280,686.80x = 9,867,789,514,297.68
  5. Step 5: Solve for x
    x = 9,867,789,514,297.68/3,280,686.80
  6. Step 6: Final answer
    x = 3,007,842.60

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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.