Home / 1,990,809.38-2,986,225.01-494,901.38

Finding the Fourth Proportional to 1,990,809.38, 2,986,225.01 and 494,901.38

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Solution

The fourth proportional to 1,990,809.38, 2,986,225.01 and 494,901.38 is: 742,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,809.38 : 2,986,225.01 = 494,901.38 : x
  2. Step 2: Convert to fraction form
    1,990,809.38/2,986,225.01 = 494,901.38/x
  3. Step 3: Cross multiply
    1,990,809.38x = 2,986,225.01 × 494,901.38
  4. Step 4: Simplify right side
    1,990,809.38x = 1,477,886,861,033.88
  5. Step 5: Solve for x
    x = 1,477,886,861,033.88/1,990,809.38
  6. Step 6: Final answer
    x = 742,354.78

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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.