Home / 3,228,141.80-4,842,509.70-831,995.30

Finding the Fourth Proportional to 3,228,141.80, 4,842,509.70 and 831,995.30

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Solution

The fourth proportional to 3,228,141.80, 4,842,509.70 and 831,995.30 is: 1,248,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,141.80 : 4,842,509.70 = 831,995.30 : x
  2. Step 2: Convert to fraction form
    3,228,141.80/4,842,509.70 = 831,995.30/x
  3. Step 3: Cross multiply
    3,228,141.80x = 4,842,509.70 × 831,995.30
  4. Step 4: Simplify right side
    3,228,141.80x = 4,028,945,310,604.41
  5. Step 5: Solve for x
    x = 4,028,945,310,604.41/3,228,141.80
  6. Step 6: Final answer
    x = 1,248,069.50

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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.