Home / 5,168,486.21-7,747,938.23-2,288,318.45

Finding the Fourth Proportional to 5,168,486.21, 7,747,938.23 and 2,288,318.45

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Solution

The fourth proportional to 5,168,486.21, 7,747,938.23 and 2,288,318.45 is: 3,430,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,486.21 : 7,747,938.23 = 2,288,318.45 : x
  2. Step 2: Convert to fraction form
    5,168,486.21/7,747,938.23 = 2,288,318.45/x
  3. Step 3: Cross multiply
    5,168,486.21x = 7,747,938.23 × 2,288,318.45
  4. Step 4: Simplify right side
    5,168,486.21x = 17,729,749,950,988.06
  5. Step 5: Solve for x
    x = 17,729,749,950,988.06/5,168,486.21
  6. Step 6: Final answer
    x = 3,430,356.44

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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.