Home / 1,963,609.20-2,709,733.68-1,284,531.12

Finding the Fourth Proportional to 1,963,609.20, 2,709,733.68 and 1,284,531.12

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Solution

The fourth proportional to 1,963,609.20, 2,709,733.68 and 1,284,531.12 is: 1,772,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,609.20 : 2,709,733.68 = 1,284,531.12 : x
  2. Step 2: Convert to fraction form
    1,963,609.20/2,709,733.68 = 1,284,531.12/x
  3. Step 3: Cross multiply
    1,963,609.20x = 2,709,733.68 × 1,284,531.12
  4. Step 4: Simplify right side
    1,963,609.20x = 3,480,737,238,872.12
  5. Step 5: Solve for x
    x = 3,480,737,238,872.12/1,963,609.20
  6. Step 6: Final answer
    x = 1,772,622.19

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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.