Home / 2,175,890.85-3,002,743.76-1,360,571.78

Finding the Fourth Proportional to 2,175,890.85, 3,002,743.76 and 1,360,571.78

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Solution

The fourth proportional to 2,175,890.85, 3,002,743.76 and 1,360,571.78 is: 1,877,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,890.85 : 3,002,743.76 = 1,360,571.78 : x
  2. Step 2: Convert to fraction form
    2,175,890.85/3,002,743.76 = 1,360,571.78/x
  3. Step 3: Cross multiply
    2,175,890.85x = 3,002,743.76 × 1,360,571.78
  4. Step 4: Simplify right side
    2,175,890.85x = 4,085,448,400,610.51
  5. Step 5: Solve for x
    x = 4,085,448,400,610.51/2,175,890.85
  6. Step 6: Final answer
    x = 1,877,598.04

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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.