Home / 1,969,571.93-2,720,251.28-1,323,871.11

Finding the Fourth Proportional to 1,969,571.93, 2,720,251.28 and 1,323,871.11

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Solution

The fourth proportional to 1,969,571.93, 2,720,251.28 and 1,323,871.11 is: 1,828,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,571.93 : 2,720,251.28 = 1,323,871.11 : x
  2. Step 2: Convert to fraction form
    1,969,571.93/2,720,251.28 = 1,323,871.11/x
  3. Step 3: Cross multiply
    1,969,571.93x = 2,720,251.28 × 1,323,871.11
  4. Step 4: Simplify right side
    1,969,571.93x = 3,601,262,084,842.20
  5. Step 5: Solve for x
    x = 3,601,262,084,842.20/1,969,571.93
  6. Step 6: Final answer
    x = 1,828,449.14

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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.