Home / 3,918,071.70-5,408,069.49-2,369,335.50

Finding the Fourth Proportional to 3,918,071.70, 5,408,069.49 and 2,369,335.50

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Solution

The fourth proportional to 3,918,071.70, 5,408,069.49 and 2,369,335.50 is: 3,270,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,071.70 : 5,408,069.49 = 2,369,335.50 : x
  2. Step 2: Convert to fraction form
    3,918,071.70/5,408,069.49 = 2,369,335.50/x
  3. Step 3: Cross multiply
    3,918,071.70x = 5,408,069.49 × 2,369,335.50
  4. Step 4: Simplify right side
    3,918,071.70x = 12,813,531,029,123.90
  5. Step 5: Solve for x
    x = 12,813,531,029,123.90/3,918,071.70
  6. Step 6: Final answer
    x = 3,270,366.65

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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.