Home / 1,918,393.60-2,647,383.68-1,058,954.40

Finding the Fourth Proportional to 1,918,393.60, 2,647,383.68 and 1,058,954.40

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Solution

The fourth proportional to 1,918,393.60, 2,647,383.68 and 1,058,954.40 is: 1,461,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,393.60 : 2,647,383.68 = 1,058,954.40 : x
  2. Step 2: Convert to fraction form
    1,918,393.60/2,647,383.68 = 1,058,954.40/x
  3. Step 3: Cross multiply
    1,918,393.60x = 2,647,383.68 × 1,058,954.40
  4. Step 4: Simplify right side
    1,918,393.60x = 2,803,458,596,424.19
  5. Step 5: Solve for x
    x = 2,803,458,596,424.19/1,918,393.60
  6. Step 6: Final answer
    x = 1,461,357.35

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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.