Home / 3,881,499.90-5,356,507.02-2,139,232.50

Finding the Fourth Proportional to 3,881,499.90, 5,356,507.02 and 2,139,232.50

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Solution

The fourth proportional to 3,881,499.90, 5,356,507.02 and 2,139,232.50 is: 2,952,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,499.90 : 5,356,507.02 = 2,139,232.50 : x
  2. Step 2: Convert to fraction form
    3,881,499.90/5,356,507.02 = 2,139,232.50/x
  3. Step 3: Cross multiply
    3,881,499.90x = 5,356,507.02 × 2,139,232.50
  4. Step 4: Simplify right side
    3,881,499.90x = 11,458,813,910,705.21
  5. Step 5: Solve for x
    x = 11,458,813,910,705.21/3,881,499.90
  6. Step 6: Final answer
    x = 2,952,161.33

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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.