Home / 1,888,141.26-2,605,544.28-1,072,237.17

Finding the Fourth Proportional to 1,888,141.26, 2,605,544.28 and 1,072,237.17

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Solution

The fourth proportional to 1,888,141.26, 2,605,544.28 and 1,072,237.17 is: 1,479,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,141.26 : 2,605,544.28 = 1,072,237.17 : x
  2. Step 2: Convert to fraction form
    1,888,141.26/2,605,544.28 = 1,072,237.17/x
  3. Step 3: Cross multiply
    1,888,141.26x = 2,605,544.28 × 1,072,237.17
  4. Step 4: Simplify right side
    1,888,141.26x = 2,793,761,434,867.68
  5. Step 5: Solve for x
    x = 2,793,761,434,867.68/1,888,141.26
  6. Step 6: Final answer
    x = 1,479,635.81

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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.