Home / 4,619,900.40-6,921,977.40-3,942,805.20

Finding the Fourth Proportional to 4,619,900.40, 6,921,977.40 and 3,942,805.20

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Solution

The fourth proportional to 4,619,900.40, 6,921,977.40 and 3,942,805.20 is: 5,907,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619,900.40 : 6,921,977.40 = 3,942,805.20 : x
  2. Step 2: Convert to fraction form
    4,619,900.40/6,921,977.40 = 3,942,805.20/x
  3. Step 3: Cross multiply
    4,619,900.40x = 6,921,977.40 × 3,942,805.20
  4. Step 4: Simplify right side
    4,619,900.40x = 27,292,008,487,002.48
  5. Step 5: Solve for x
    x = 27,292,008,487,002.48/4,619,900.40
  6. Step 6: Final answer
    x = 5,907,488.50

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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.