Home / 1,918,256.40-2,647,194.06-1,058,816.88

Finding the Fourth Proportional to 1,918,256.40, 2,647,194.06 and 1,058,816.88

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Solution

The fourth proportional to 1,918,256.40, 2,647,194.06 and 1,058,816.88 is: 1,461,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,256.40 : 2,647,194.06 = 1,058,816.88 : x
  2. Step 2: Convert to fraction form
    1,918,256.40/2,647,194.06 = 1,058,816.88/x
  3. Step 3: Cross multiply
    1,918,256.40x = 2,647,194.06 × 1,058,816.88
  4. Step 4: Simplify right side
    1,918,256.40x = 2,802,893,755,363.73
  5. Step 5: Solve for x
    x = 2,802,893,755,363.73/1,918,256.40
  6. Step 6: Final answer
    x = 1,461,167.42

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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.