Home / 1,989,366.08-2,984,631.30-641,501.37

Finding the Fourth Proportional to 1,989,366.08, 2,984,631.30 and 641,501.37

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Solution

The fourth proportional to 1,989,366.08, 2,984,631.30 and 641,501.37 is: 962,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,366.08 : 2,984,631.30 = 641,501.37 : x
  2. Step 2: Convert to fraction form
    1,989,366.08/2,984,631.30 = 641,501.37/x
  3. Step 3: Cross multiply
    1,989,366.08x = 2,984,631.30 × 641,501.37
  4. Step 4: Simplify right side
    1,989,366.08x = 1,914,645,067,894.88
  5. Step 5: Solve for x
    x = 1,914,645,067,894.88/1,989,366.08
  6. Step 6: Final answer
    x = 962,439.79

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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.