Home / 2,281,125.78-3,148,654.68-1,314,902.16

Finding the Fourth Proportional to 2,281,125.78, 3,148,654.68 and 1,314,902.16

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Solution

The fourth proportional to 2,281,125.78, 3,148,654.68 and 1,314,902.16 is: 1,814,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,125.78 : 3,148,654.68 = 1,314,902.16 : x
  2. Step 2: Convert to fraction form
    2,281,125.78/3,148,654.68 = 1,314,902.16/x
  3. Step 3: Cross multiply
    2,281,125.78x = 3,148,654.68 × 1,314,902.16
  4. Step 4: Simplify right side
    2,281,125.78x = 4,140,172,839,826.11
  5. Step 5: Solve for x
    x = 4,140,172,839,826.11/2,281,125.78
  6. Step 6: Final answer
    x = 1,814,969.12

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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.