Home / 3,115,605.40-4,672,922.10-986,212.60

Finding the Fourth Proportional to 3,115,605.40, 4,672,922.10 and 986,212.60

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Solution

The fourth proportional to 3,115,605.40, 4,672,922.10 and 986,212.60 is: 1,479,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,605.40 : 4,672,922.10 = 986,212.60 : x
  2. Step 2: Convert to fraction form
    3,115,605.40/4,672,922.10 = 986,212.60/x
  3. Step 3: Cross multiply
    3,115,605.40x = 4,672,922.10 × 986,212.60
  4. Step 4: Simplify right side
    3,115,605.40x = 4,608,494,653,838.46
  5. Step 5: Solve for x
    x = 4,608,494,653,838.46/3,115,605.40
  6. Step 6: Final answer
    x = 1,479,165.06

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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.