Home / 2,814,411.78-3,881,763.18-1,768,137.18

Finding the Fourth Proportional to 2,814,411.78, 3,881,763.18 and 1,768,137.18

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Solution

The fourth proportional to 2,814,411.78, 3,881,763.18 and 1,768,137.18 is: 2,438,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,411.78 : 3,881,763.18 = 1,768,137.18 : x
  2. Step 2: Convert to fraction form
    2,814,411.78/3,881,763.18 = 1,768,137.18/x
  3. Step 3: Cross multiply
    2,814,411.78x = 3,881,763.18 × 1,768,137.18
  4. Step 4: Simplify right side
    2,814,411.78x = 6,863,489,802,513.03
  5. Step 5: Solve for x
    x = 6,863,489,802,513.03/2,814,411.78
  6. Step 6: Final answer
    x = 2,438,694.24

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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.