Home / 1,682,767.98-2,321,041.50-1,138,664.28

Finding the Fourth Proportional to 1,682,767.98, 2,321,041.50 and 1,138,664.28

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Solution

The fourth proportional to 1,682,767.98, 2,321,041.50 and 1,138,664.28 is: 1,570,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,767.98 : 2,321,041.50 = 1,138,664.28 : x
  2. Step 2: Convert to fraction form
    1,682,767.98/2,321,041.50 = 1,138,664.28/x
  3. Step 3: Cross multiply
    1,682,767.98x = 2,321,041.50 × 1,138,664.28
  4. Step 4: Simplify right side
    1,682,767.98x = 2,642,887,048,447.62
  5. Step 5: Solve for x
    x = 2,642,887,048,447.62/1,682,767.98
  6. Step 6: Final answer
    x = 1,570,559.39

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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.