Home / 2,145,882.63-3,218,693.60-761,085.16

Finding the Fourth Proportional to 2,145,882.63, 3,218,693.60 and 761,085.16

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Solution

The fourth proportional to 2,145,882.63, 3,218,693.60 and 761,085.16 is: 1,141,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,882.63 : 3,218,693.60 = 761,085.16 : x
  2. Step 2: Convert to fraction form
    2,145,882.63/3,218,693.60 = 761,085.16/x
  3. Step 3: Cross multiply
    2,145,882.63x = 3,218,693.60 × 761,085.16
  4. Step 4: Simplify right side
    2,145,882.63x = 2,449,699,933,546.98
  5. Step 5: Solve for x
    x = 2,449,699,933,546.98/2,145,882.63
  6. Step 6: Final answer
    x = 1,141,581.51

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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.