Home / 3,118,170.24-4,302,987.84-1,760,169.60

Finding the Fourth Proportional to 3,118,170.24, 4,302,987.84 and 1,760,169.60

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Solution

The fourth proportional to 3,118,170.24, 4,302,987.84 and 1,760,169.60 is: 2,428,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,170.24 : 4,302,987.84 = 1,760,169.60 : x
  2. Step 2: Convert to fraction form
    3,118,170.24/4,302,987.84 = 1,760,169.60/x
  3. Step 3: Cross multiply
    3,118,170.24x = 4,302,987.84 × 1,760,169.60
  4. Step 4: Simplify right side
    3,118,170.24x = 7,573,988,385,137.66
  5. Step 5: Solve for x
    x = 7,573,988,385,137.66/3,118,170.24
  6. Step 6: Final answer
    x = 2,428,984.89

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1.5x scale

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.