Home / 2,115,181.59-2,918,984.51-1,148,311.11

Finding the Fourth Proportional to 2,115,181.59, 2,918,984.51 and 1,148,311.11

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Solution

The fourth proportional to 2,115,181.59, 2,918,984.51 and 1,148,311.11 is: 1,584,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,181.59 : 2,918,984.51 = 1,148,311.11 : x
  2. Step 2: Convert to fraction form
    2,115,181.59/2,918,984.51 = 1,148,311.11/x
  3. Step 3: Cross multiply
    2,115,181.59x = 2,918,984.51 × 1,148,311.11
  4. Step 4: Simplify right side
    2,115,181.59x = 3,351,902,342,750.91
  5. Step 5: Solve for x
    x = 3,351,902,342,750.91/2,115,181.59
  6. Step 6: Final answer
    x = 1,584,687.74

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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.