Home / 6,443,989.44-8,892,466.38-3,543,207.72

Finding the Fourth Proportional to 6,443,989.44, 8,892,466.38 and 3,543,207.72

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Solution

The fourth proportional to 6,443,989.44, 8,892,466.38 and 3,543,207.72 is: 4,889,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,989.44 : 8,892,466.38 = 3,543,207.72 : x
  2. Step 2: Convert to fraction form
    6,443,989.44/8,892,466.38 = 3,543,207.72/x
  3. Step 3: Cross multiply
    6,443,989.44x = 8,892,466.38 × 3,543,207.72
  4. Step 4: Simplify right side
    6,443,989.44x = 31,507,855,527,456.46
  5. Step 5: Solve for x
    x = 31,507,855,527,456.46/6,443,989.44
  6. Step 6: Final answer
    x = 4,889,495.21

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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.