Home / 5,780,638.50-7,976,907.03-3,167,139

Finding the Fourth Proportional to 5,780,638.50, 7,976,907.03 and 3,167,139

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Solution

The fourth proportional to 5,780,638.50, 7,976,907.03 and 3,167,139 is: 4,370,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780,638.50 : 7,976,907.03 = 3,167,139 : x
  2. Step 2: Convert to fraction form
    5,780,638.50/7,976,907.03 = 3,167,139/x
  3. Step 3: Cross multiply
    5,780,638.50x = 7,976,907.03 × 3,167,139
  4. Step 4: Simplify right side
    5,780,638.50x = 25,263,973,354,087.17
  5. Step 5: Solve for x
    x = 25,263,973,354,087.17/5,780,638.50
  6. Step 6: Final answer
    x = 4,370,446.86

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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.