Home / 2,113,805.57-3,170,699.78-765,652.64

Finding the Fourth Proportional to 2,113,805.57, 3,170,699.78 and 765,652.64

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Solution

The fourth proportional to 2,113,805.57, 3,170,699.78 and 765,652.64 is: 1,148,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,805.57 : 3,170,699.78 = 765,652.64 : x
  2. Step 2: Convert to fraction form
    2,113,805.57/3,170,699.78 = 765,652.64/x
  3. Step 3: Cross multiply
    2,113,805.57x = 3,170,699.78 × 765,652.64
  4. Step 4: Simplify right side
    2,113,805.57x = 2,427,654,637,522.66
  5. Step 5: Solve for x
    x = 2,427,654,637,522.66/2,113,805.57
  6. Step 6: Final answer
    x = 1,148,475.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.