Home / 2,318,999.40-3,478,326.30-970,813.80

Finding the Fourth Proportional to 2,318,999.40, 3,478,326.30 and 970,813.80

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Solution

The fourth proportional to 2,318,999.40, 3,478,326.30 and 970,813.80 is: 1,456,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,999.40 : 3,478,326.30 = 970,813.80 : x
  2. Step 2: Convert to fraction form
    2,318,999.40/3,478,326.30 = 970,813.80/x
  3. Step 3: Cross multiply
    2,318,999.40x = 3,478,326.30 × 970,813.80
  4. Step 4: Simplify right side
    2,318,999.40x = 3,376,807,172,942.94
  5. Step 5: Solve for x
    x = 3,376,807,172,942.94/2,318,999.40
  6. Step 6: Final answer
    x = 1,456,148.36

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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.