Home / 5,005,819.71-6,907,839.50-2,830,408.38

Finding the Fourth Proportional to 5,005,819.71, 6,907,839.50 and 2,830,408.38

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Solution

The fourth proportional to 5,005,819.71, 6,907,839.50 and 2,830,408.38 is: 3,905,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005,819.71 : 6,907,839.50 = 2,830,408.38 : x
  2. Step 2: Convert to fraction form
    5,005,819.71/6,907,839.50 = 2,830,408.38/x
  3. Step 3: Cross multiply
    5,005,819.71x = 6,907,839.50 × 2,830,408.38
  4. Step 4: Simplify right side
    5,005,819.71x = 19,552,006,815,571.03
  5. Step 5: Solve for x
    x = 19,552,006,815,571.03/5,005,819.71
  6. Step 6: Final answer
    x = 3,905,855.17

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1.5x scale

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.