Home / 2,312,732.74-3,191,532.55-1,280,218.69

Finding the Fourth Proportional to 2,312,732.74, 3,191,532.55 and 1,280,218.69

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Solution

The fourth proportional to 2,312,732.74, 3,191,532.55 and 1,280,218.69 is: 1,766,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,732.74 : 3,191,532.55 = 1,280,218.69 : x
  2. Step 2: Convert to fraction form
    2,312,732.74/3,191,532.55 = 1,280,218.69/x
  3. Step 3: Cross multiply
    2,312,732.74x = 3,191,532.55 × 1,280,218.69
  4. Step 4: Simplify right side
    2,312,732.74x = 4,085,859,620,253.36
  5. Step 5: Solve for x
    x = 4,085,859,620,253.36/2,312,732.74
  6. Step 6: Final answer
    x = 1,766,680.41

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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.