Home / 3,859,905.61-5,327,308.59-2,141,579.71

Finding the Fourth Proportional to 3,859,905.61, 5,327,308.59 and 2,141,579.71

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Solution

The fourth proportional to 3,859,905.61, 5,327,308.59 and 2,141,579.71 is: 2,955,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,905.61 : 5,327,308.59 = 2,141,579.71 : x
  2. Step 2: Convert to fraction form
    3,859,905.61/5,327,308.59 = 2,141,579.71/x
  3. Step 3: Cross multiply
    3,859,905.61x = 5,327,308.59 × 2,141,579.71
  4. Step 4: Simplify right side
    3,859,905.61x = 11,408,855,958,616.17
  5. Step 5: Solve for x
    x = 11,408,855,958,616.17/3,859,905.61
  6. Step 6: Final answer
    x = 2,955,734.45

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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.