Home / 1,918,456.53-2,647,437.66-1,058,994.69

Finding the Fourth Proportional to 1,918,456.53, 2,647,437.66 and 1,058,994.69

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Solution

The fourth proportional to 1,918,456.53, 2,647,437.66 and 1,058,994.69 is: 1,461,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,456.53 : 2,647,437.66 = 1,058,994.69 : x
  2. Step 2: Convert to fraction form
    1,918,456.53/2,647,437.66 = 1,058,994.69/x
  3. Step 3: Cross multiply
    1,918,456.53x = 2,647,437.66 × 1,058,994.69
  4. Step 4: Simplify right side
    1,918,456.53x = 2,803,622,424,046.03
  5. Step 5: Solve for x
    x = 2,803,622,424,046.03/1,918,456.53
  6. Step 6: Final answer
    x = 1,461,394.81

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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.