Home / 1,989,352.54-2,984,611.09-641,488.04

Finding the Fourth Proportional to 1,989,352.54, 2,984,611.09 and 641,488.04

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Solution

The fourth proportional to 1,989,352.54, 2,984,611.09 and 641,488.04 is: 962,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,352.54 : 2,984,611.09 = 641,488.04 : x
  2. Step 2: Convert to fraction form
    1,989,352.54/2,984,611.09 = 641,488.04/x
  3. Step 3: Cross multiply
    1,989,352.54x = 2,984,611.09 × 641,488.04
  4. Step 4: Simplify right side
    1,989,352.54x = 1,914,592,318,286.36
  5. Step 5: Solve for x
    x = 1,914,592,318,286.36/1,989,352.54
  6. Step 6: Final answer
    x = 962,419.82

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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.