Home / 6,441,841.71-8,889,912.81-3,501,856.80

Finding the Fourth Proportional to 6,441,841.71, 8,889,912.81 and 3,501,856.80

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Solution

The fourth proportional to 6,441,841.71, 8,889,912.81 and 3,501,856.80 is: 4,832,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441,841.71 : 8,889,912.81 = 3,501,856.80 : x
  2. Step 2: Convert to fraction form
    6,441,841.71/8,889,912.81 = 3,501,856.80/x
  3. Step 3: Cross multiply
    6,441,841.71x = 8,889,912.81 × 3,501,856.80
  4. Step 4: Simplify right side
    6,441,841.71x = 31,131,201,625,105.61
  5. Step 5: Solve for x
    x = 31,131,201,625,105.61/6,441,841.71
  6. Step 6: Final answer
    x = 4,832,655.48

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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.