Home / 2,638,140.20-3,961,875.90-2,040,554.60

Finding the Fourth Proportional to 2,638,140.20, 3,961,875.90 and 2,040,554.60

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Solution

The fourth proportional to 2,638,140.20, 3,961,875.90 and 2,040,554.60 is: 3,064,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,140.20 : 3,961,875.90 = 2,040,554.60 : x
  2. Step 2: Convert to fraction form
    2,638,140.20/3,961,875.90 = 2,040,554.60/x
  3. Step 3: Cross multiply
    2,638,140.20x = 3,961,875.90 × 2,040,554.60
  4. Step 4: Simplify right side
    2,638,140.20x = 8,084,424,092,374.14
  5. Step 5: Solve for x
    x = 8,084,424,092,374.14/2,638,140.20
  6. Step 6: Final answer
    x = 3,064,440.66

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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.