Home / 2,590,517.76-3,886,102.16-1,390,791.04

Finding the Fourth Proportional to 2,590,517.76, 3,886,102.16 and 1,390,791.04

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Solution

The fourth proportional to 2,590,517.76, 3,886,102.16 and 1,390,791.04 is: 2,086,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,517.76 : 3,886,102.16 = 1,390,791.04 : x
  2. Step 2: Convert to fraction form
    2,590,517.76/3,886,102.16 = 1,390,791.04/x
  3. Step 3: Cross multiply
    2,590,517.76x = 3,886,102.16 × 1,390,791.04
  4. Step 4: Simplify right side
    2,590,517.76x = 5,404,756,064,652.65
  5. Step 5: Solve for x
    x = 5,404,756,064,652.65/2,590,517.76
  6. Step 6: Final answer
    x = 2,086,361.32

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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.