Home / 2,674,874.57-3,691,326.47-1,528,979.51

Finding the Fourth Proportional to 2,674,874.57, 3,691,326.47 and 1,528,979.51

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Solution

The fourth proportional to 2,674,874.57, 3,691,326.47 and 1,528,979.51 is: 2,109,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,874.57 : 3,691,326.47 = 1,528,979.51 : x
  2. Step 2: Convert to fraction form
    2,674,874.57/3,691,326.47 = 1,528,979.51/x
  3. Step 3: Cross multiply
    2,674,874.57x = 3,691,326.47 × 1,528,979.51
  4. Step 4: Simplify right side
    2,674,874.57x = 5,643,962,538,934.05
  5. Step 5: Solve for x
    x = 5,643,962,538,934.05/2,674,874.57
  6. Step 6: Final answer
    x = 2,109,991.48

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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.