Home / 2,136,228.48-2,947,795.20-1,276,617.60

Finding the Fourth Proportional to 2,136,228.48, 2,947,795.20 and 1,276,617.60

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Solution

The fourth proportional to 2,136,228.48, 2,947,795.20 and 1,276,617.60 is: 1,761,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,228.48 : 2,947,795.20 = 1,276,617.60 : x
  2. Step 2: Convert to fraction form
    2,136,228.48/2,947,795.20 = 1,276,617.60/x
  3. Step 3: Cross multiply
    2,136,228.48x = 2,947,795.20 × 1,276,617.60
  4. Step 4: Simplify right side
    2,136,228.48x = 3,763,207,233,515.52
  5. Step 5: Solve for x
    x = 3,763,207,233,515.52/2,136,228.48
  6. Step 6: Final answer
    x = 1,761,612.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.