Home / 6,479,020.70-8,942,041.96-3,999,685.22

Finding the Fourth Proportional to 6,479,020.70, 8,942,041.96 and 3,999,685.22

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Solution

The fourth proportional to 6,479,020.70, 8,942,041.96 and 3,999,685.22 is: 5,520,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479,020.70 : 8,942,041.96 = 3,999,685.22 : x
  2. Step 2: Convert to fraction form
    6,479,020.70/8,942,041.96 = 3,999,685.22/x
  3. Step 3: Cross multiply
    6,479,020.70x = 8,942,041.96 × 3,999,685.22
  4. Step 4: Simplify right side
    6,479,020.70x = 35,765,353,064,031.84
  5. Step 5: Solve for x
    x = 35,765,353,064,031.84/6,479,020.70
  6. Step 6: Final answer
    x = 5,520,178.85

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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.