Home / 5,581,817.21-8,373,305.06-1,538,305.71

Finding the Fourth Proportional to 5,581,817.21, 8,373,305.06 and 1,538,305.71

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Solution

The fourth proportional to 5,581,817.21, 8,373,305.06 and 1,538,305.71 is: 2,307,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581,817.21 : 8,373,305.06 = 1,538,305.71 : x
  2. Step 2: Convert to fraction form
    5,581,817.21/8,373,305.06 = 1,538,305.71/x
  3. Step 3: Cross multiply
    5,581,817.21x = 8,373,305.06 × 1,538,305.71
  4. Step 4: Simplify right side
    5,581,817.21x = 12,880,702,985,369.89
  5. Step 5: Solve for x
    x = 12,880,702,985,369.89/5,581,817.21
  6. Step 6: Final answer
    x = 2,307,618.20

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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.