Home / 5,085,546.78-7,018,181.13-2,762,438.57

Finding the Fourth Proportional to 5,085,546.78, 7,018,181.13 and 2,762,438.57

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Solution

The fourth proportional to 5,085,546.78, 7,018,181.13 and 2,762,438.57 is: 3,812,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,546.78 : 7,018,181.13 = 2,762,438.57 : x
  2. Step 2: Convert to fraction form
    5,085,546.78/7,018,181.13 = 2,762,438.57/x
  3. Step 3: Cross multiply
    5,085,546.78x = 7,018,181.13 × 2,762,438.57
  4. Step 4: Simplify right side
    5,085,546.78x = 19,387,294,209,667.28
  5. Step 5: Solve for x
    x = 19,387,294,209,667.28/5,085,546.78
  6. Step 6: Final answer
    x = 3,812,233.97

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1.5x scale

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.