Home / 1,918,304.15-2,647,071.33-1,058,809.05

Finding the Fourth Proportional to 1,918,304.15, 2,647,071.33 and 1,058,809.05

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Solution

The fourth proportional to 1,918,304.15, 2,647,071.33 and 1,058,809.05 is: 1,461,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,304.15 : 2,647,071.33 = 1,058,809.05 : x
  2. Step 2: Convert to fraction form
    1,918,304.15/2,647,071.33 = 1,058,809.05/x
  3. Step 3: Cross multiply
    1,918,304.15x = 2,647,071.33 × 1,058,809.05
  4. Step 4: Simplify right side
    1,918,304.15x = 2,802,743,091,863.00
  5. Step 5: Solve for x
    x = 2,802,743,091,863.00/1,918,304.15
  6. Step 6: Final answer
    x = 1,461,052.51

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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.