Home / 3,171,409.20-4,376,547.72-1,721,104.92

Finding the Fourth Proportional to 3,171,409.20, 4,376,547.72 and 1,721,104.92

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Solution

The fourth proportional to 3,171,409.20, 4,376,547.72 and 1,721,104.92 is: 2,375,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,409.20 : 4,376,547.72 = 1,721,104.92 : x
  2. Step 2: Convert to fraction form
    3,171,409.20/4,376,547.72 = 1,721,104.92/x
  3. Step 3: Cross multiply
    3,171,409.20x = 4,376,547.72 × 1,721,104.92
  4. Step 4: Simplify right side
    3,171,409.20x = 7,532,497,813,506.78
  5. Step 5: Solve for x
    x = 7,532,497,813,506.78/3,171,409.20
  6. Step 6: Final answer
    x = 2,375,126.43

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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.