Home / 4,937,123.56-6,810,487-2,871,906.80

Finding the Fourth Proportional to 4,937,123.56, 6,810,487 and 2,871,906.80

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Solution

The fourth proportional to 4,937,123.56, 6,810,487 and 2,871,906.80 is: 3,961,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937,123.56 : 6,810,487 = 2,871,906.80 : x
  2. Step 2: Convert to fraction form
    4,937,123.56/6,810,487 = 2,871,906.80/x
  3. Step 3: Cross multiply
    4,937,123.56x = 6,810,487 × 2,871,906.80
  4. Step 4: Simplify right side
    4,937,123.56x = 19,559,083,926,611.60
  5. Step 5: Solve for x
    x = 19,559,083,926,611.60/4,937,123.56
  6. Step 6: Final answer
    x = 3,961,635.49

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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.