Home / 1,914,788.45-2,642,420.54-1,055,348.68

Finding the Fourth Proportional to 1,914,788.45, 2,642,420.54 and 1,055,348.68

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Solution

The fourth proportional to 1,914,788.45, 2,642,420.54 and 1,055,348.68 is: 1,456,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,788.45 : 2,642,420.54 = 1,055,348.68 : x
  2. Step 2: Convert to fraction form
    1,914,788.45/2,642,420.54 = 1,055,348.68/x
  3. Step 3: Cross multiply
    1,914,788.45x = 2,642,420.54 × 1,055,348.68
  4. Step 4: Simplify right side
    1,914,788.45x = 2,788,675,028,893.89
  5. Step 5: Solve for x
    x = 2,788,675,028,893.89/1,914,788.45
  6. Step 6: Final answer
    x = 1,456,388.06

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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.