Home / 6,381,669-9,572,586.88-2,121,837.24

Finding the Fourth Proportional to 6,381,669, 9,572,586.88 and 2,121,837.24

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Solution

The fourth proportional to 6,381,669, 9,572,586.88 and 2,121,837.24 is: 3,182,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,669 : 9,572,586.88 = 2,121,837.24 : x
  2. Step 2: Convert to fraction form
    6,381,669/9,572,586.88 = 2,121,837.24/x
  3. Step 3: Cross multiply
    6,381,669x = 9,572,586.88 × 2,121,837.24
  4. Step 4: Simplify right side
    6,381,669x = 20,311,471,325,119.41
  5. Step 5: Solve for x
    x = 20,311,471,325,119.41/6,381,669
  6. Step 6: Final answer
    x = 3,182,783.58

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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.