Home / 1,818,146.22-2,509,058.88-1,002,378.48

Finding the Fourth Proportional to 1,818,146.22, 2,509,058.88 and 1,002,378.48

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Solution

The fourth proportional to 1,818,146.22, 2,509,058.88 and 1,002,378.48 is: 1,383,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,146.22 : 2,509,058.88 = 1,002,378.48 : x
  2. Step 2: Convert to fraction form
    1,818,146.22/2,509,058.88 = 1,002,378.48/x
  3. Step 3: Cross multiply
    1,818,146.22x = 2,509,058.88 × 1,002,378.48
  4. Step 4: Simplify right side
    1,818,146.22x = 2,515,026,626,364.90
  5. Step 5: Solve for x
    x = 2,515,026,626,364.90/1,818,146.22
  6. Step 6: Final answer
    x = 1,383,291.73

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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.