Home / 1,900,020.56-2,851,951.28-1,685,287.20

Finding the Fourth Proportional to 1,900,020.56, 2,851,951.28 and 1,685,287.20

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Solution

The fourth proportional to 1,900,020.56, 2,851,951.28 and 1,685,287.20 is: 2,529,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,020.56 : 2,851,951.28 = 1,685,287.20 : x
  2. Step 2: Convert to fraction form
    1,900,020.56/2,851,951.28 = 1,685,287.20/x
  3. Step 3: Cross multiply
    1,900,020.56x = 2,851,951.28 × 1,685,287.20
  4. Step 4: Simplify right side
    1,900,020.56x = 4,806,356,987,207.62
  5. Step 5: Solve for x
    x = 4,806,356,987,207.62/1,900,020.56
  6. Step 6: Final answer
    x = 2,529,634.20

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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.