Home / 3,579,408-4,939,583.85-1,969,776

Finding the Fourth Proportional to 3,579,408, 4,939,583.85 and 1,969,776

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Solution

The fourth proportional to 3,579,408, 4,939,583.85 and 1,969,776 is: 2,718,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,408 : 4,939,583.85 = 1,969,776 : x
  2. Step 2: Convert to fraction form
    3,579,408/4,939,583.85 = 1,969,776/x
  3. Step 3: Cross multiply
    3,579,408x = 4,939,583.85 × 1,969,776
  4. Step 4: Simplify right side
    3,579,408x = 9,729,873,717,717.60
  5. Step 5: Solve for x
    x = 9,729,873,717,717.60/3,579,408
  6. Step 6: Final answer
    x = 2,718,291.33

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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.