Home / 2,318,438.40-3,478,694.40-823,603.20

Finding the Fourth Proportional to 2,318,438.40, 3,478,694.40 and 823,603.20

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Solution

The fourth proportional to 2,318,438.40, 3,478,694.40 and 823,603.20 is: 1,235,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,438.40 : 3,478,694.40 = 823,603.20 : x
  2. Step 2: Convert to fraction form
    2,318,438.40/3,478,694.40 = 823,603.20/x
  3. Step 3: Cross multiply
    2,318,438.40x = 3,478,694.40 × 823,603.20
  4. Step 4: Simplify right side
    2,318,438.40x = 2,865,063,839,662.08
  5. Step 5: Solve for x
    x = 2,865,063,839,662.08/2,318,438.40
  6. Step 6: Final answer
    x = 1,235,773.11

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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.