Home / 6,443,985.24-8,892,731.64-3,543,563.16

Finding the Fourth Proportional to 6,443,985.24, 8,892,731.64 and 3,543,563.16

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Solution

The fourth proportional to 6,443,985.24, 8,892,731.64 and 3,543,563.16 is: 4,890,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,985.24 : 8,892,731.64 = 3,543,563.16 : x
  2. Step 2: Convert to fraction form
    6,443,985.24/8,892,731.64 = 3,543,563.16/x
  3. Step 3: Cross multiply
    6,443,985.24x = 8,892,731.64 × 3,543,563.16
  4. Step 4: Simplify right side
    6,443,985.24x = 31,511,956,231,270.39
  5. Step 5: Solve for x
    x = 31,511,956,231,270.39/6,443,985.24
  6. Step 6: Final answer
    x = 4,890,134.76

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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.