Home / 3,618,810.40-5,426,247.30-1,489,109.80

Finding the Fourth Proportional to 3,618,810.40, 5,426,247.30 and 1,489,109.80

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Solution

The fourth proportional to 3,618,810.40, 5,426,247.30 and 1,489,109.80 is: 2,232,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,810.40 : 5,426,247.30 = 1,489,109.80 : x
  2. Step 2: Convert to fraction form
    3,618,810.40/5,426,247.30 = 1,489,109.80/x
  3. Step 3: Cross multiply
    3,618,810.40x = 5,426,247.30 × 1,489,109.80
  4. Step 4: Simplify right side
    3,618,810.40x = 8,080,278,031,653.54
  5. Step 5: Solve for x
    x = 8,080,278,031,653.54/3,618,810.40
  6. Step 6: Final answer
    x = 2,232,854.76

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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.