Home / 2,133,748.33-2,943,679.56-1,398,879.07

Finding the Fourth Proportional to 2,133,748.33, 2,943,679.56 and 1,398,879.07

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Solution

The fourth proportional to 2,133,748.33, 2,943,679.56 and 1,398,879.07 is: 1,929,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,748.33 : 2,943,679.56 = 1,398,879.07 : x
  2. Step 2: Convert to fraction form
    2,133,748.33/2,943,679.56 = 1,398,879.07/x
  3. Step 3: Cross multiply
    2,133,748.33x = 2,943,679.56 × 1,398,879.07
  4. Step 4: Simplify right side
    2,133,748.33x = 4,117,851,725,270.81
  5. Step 5: Solve for x
    x = 4,117,851,725,270.81/2,133,748.33
  6. Step 6: Final answer
    x = 1,929,867.58

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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.