Home / 2,914,745.40-4,372,118.10-919,942.20

Finding the Fourth Proportional to 2,914,745.40, 4,372,118.10 and 919,942.20

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Solution

The fourth proportional to 2,914,745.40, 4,372,118.10 and 919,942.20 is: 1,379,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,745.40 : 4,372,118.10 = 919,942.20 : x
  2. Step 2: Convert to fraction form
    2,914,745.40/4,372,118.10 = 919,942.20/x
  3. Step 3: Cross multiply
    2,914,745.40x = 4,372,118.10 × 919,942.20
  4. Step 4: Simplify right side
    2,914,745.40x = 4,022,095,943,573.82
  5. Step 5: Solve for x
    x = 4,022,095,943,573.82/2,914,745.40
  6. Step 6: Final answer
    x = 1,379,913.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.