Home / 4,652,989-6,979,486.05-2,126,872.78

Finding the Fourth Proportional to 4,652,989, 6,979,486.05 and 2,126,872.78

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Solution

The fourth proportional to 4,652,989, 6,979,486.05 and 2,126,872.78 is: 3,190,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652,989 : 6,979,486.05 = 2,126,872.78 : x
  2. Step 2: Convert to fraction form
    4,652,989/6,979,486.05 = 2,126,872.78/x
  3. Step 3: Cross multiply
    4,652,989x = 6,979,486.05 × 2,126,872.78
  4. Step 4: Simplify right side
    4,652,989x = 14,844,478,898,134.72
  5. Step 5: Solve for x
    x = 14,844,478,898,134.72/4,652,989
  6. Step 6: Final answer
    x = 3,190,310.34

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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.