Home / 6,381,667-9,572,583.88-2,121,835.23

Finding the Fourth Proportional to 6,381,667, 9,572,583.88 and 2,121,835.23

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Solution

The fourth proportional to 6,381,667, 9,572,583.88 and 2,121,835.23 is: 3,182,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,667 : 9,572,583.88 = 2,121,835.23 : x
  2. Step 2: Convert to fraction form
    6,381,667/9,572,583.88 = 2,121,835.23/x
  3. Step 3: Cross multiply
    6,381,667x = 9,572,583.88 × 2,121,835.23
  4. Step 4: Simplify right side
    6,381,667x = 20,311,445,718,714.09
  5. Step 5: Solve for x
    x = 20,311,445,718,714.09/6,381,667
  6. Step 6: Final answer
    x = 3,182,780.57

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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.