Home / 3,240,646.80-4,472,182.80-1,790,435.76

Finding the Fourth Proportional to 3,240,646.80, 4,472,182.80 and 1,790,435.76

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Solution

The fourth proportional to 3,240,646.80, 4,472,182.80 and 1,790,435.76 is: 2,470,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,646.80 : 4,472,182.80 = 1,790,435.76 : x
  2. Step 2: Convert to fraction form
    3,240,646.80/4,472,182.80 = 1,790,435.76/x
  3. Step 3: Cross multiply
    3,240,646.80x = 4,472,182.80 × 1,790,435.76
  4. Step 4: Simplify right side
    3,240,646.80x = 8,007,156,010,376.93
  5. Step 5: Solve for x
    x = 8,007,156,010,376.93/3,240,646.80
  6. Step 6: Final answer
    x = 2,470,851.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.