Home / 3,300,123.61-4,950,189.36-903,988.90

Finding the Fourth Proportional to 3,300,123.61, 4,950,189.36 and 903,988.90

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Solution

The fourth proportional to 3,300,123.61, 4,950,189.36 and 903,988.90 is: 1,355,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300,123.61 : 4,950,189.36 = 903,988.90 : x
  2. Step 2: Convert to fraction form
    3,300,123.61/4,950,189.36 = 903,988.90/x
  3. Step 3: Cross multiply
    3,300,123.61x = 4,950,189.36 × 903,988.90
  4. Step 4: Simplify right side
    3,300,123.61x = 4,474,916,234,338.10
  5. Step 5: Solve for x
    x = 4,474,916,234,338.10/3,300,123.61
  6. Step 6: Final answer
    x = 1,355,984.43

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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.