Home / 2,100,515.74-3,151,802.40-752,782.46

Finding the Fourth Proportional to 2,100,515.74, 3,151,802.40 and 752,782.46

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Solution

The fourth proportional to 2,100,515.74, 3,151,802.40 and 752,782.46 is: 1,129,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,515.74 : 3,151,802.40 = 752,782.46 : x
  2. Step 2: Convert to fraction form
    2,100,515.74/3,151,802.40 = 752,782.46/x
  3. Step 3: Cross multiply
    2,100,515.74x = 3,151,802.40 × 752,782.46
  4. Step 4: Simplify right side
    2,100,515.74x = 2,372,621,564,105.90
  5. Step 5: Solve for x
    x = 2,372,621,564,105.90/2,100,515.74
  6. Step 6: Final answer
    x = 1,129,542.39

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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.