Home / 5,148,638.55-7,104,651.61-3,055,120.27

Finding the Fourth Proportional to 5,148,638.55, 7,104,651.61 and 3,055,120.27

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Solution

The fourth proportional to 5,148,638.55, 7,104,651.61 and 3,055,120.27 is: 4,215,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,638.55 : 7,104,651.61 = 3,055,120.27 : x
  2. Step 2: Convert to fraction form
    5,148,638.55/7,104,651.61 = 3,055,120.27/x
  3. Step 3: Cross multiply
    5,148,638.55x = 7,104,651.61 × 3,055,120.27
  4. Step 4: Simplify right side
    5,148,638.55x = 21,705,565,144,999.14
  5. Step 5: Solve for x
    x = 21,705,565,144,999.14/5,148,638.55
  6. Step 6: Final answer
    x = 4,215,787.33

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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.