Home / 3,458,447.80-4,772,459.98-1,930,651.72

Finding the Fourth Proportional to 3,458,447.80, 4,772,459.98 and 1,930,651.72

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Solution

The fourth proportional to 3,458,447.80, 4,772,459.98 and 1,930,651.72 is: 2,664,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,447.80 : 4,772,459.98 = 1,930,651.72 : x
  2. Step 2: Convert to fraction form
    3,458,447.80/4,772,459.98 = 1,930,651.72/x
  3. Step 3: Cross multiply
    3,458,447.80x = 4,772,459.98 × 1,930,651.72
  4. Step 4: Simplify right side
    3,458,447.80x = 9,213,958,069,018.17
  5. Step 5: Solve for x
    x = 9,213,958,069,018.17/3,458,447.80
  6. Step 6: Final answer
    x = 2,664,188.85

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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.