Home / 1,866,145-2,798,995.26-1,098,101.80

Finding the Fourth Proportional to 1,866,145, 2,798,995.26 and 1,098,101.80

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Solution

The fourth proportional to 1,866,145, 2,798,995.26 and 1,098,101.80 is: 1,647,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,145 : 2,798,995.26 = 1,098,101.80 : x
  2. Step 2: Convert to fraction form
    1,866,145/2,798,995.26 = 1,098,101.80/x
  3. Step 3: Cross multiply
    1,866,145x = 2,798,995.26 × 1,098,101.80
  4. Step 4: Simplify right side
    1,866,145x = 3,073,581,733,197.47
  5. Step 5: Solve for x
    x = 3,073,581,733,197.47/1,866,145
  6. Step 6: Final answer
    x = 1,647,021.93

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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.