Home / 3,623,142.12-5,434,834.14-1,628,603.88

Finding the Fourth Proportional to 3,623,142.12, 5,434,834.14 and 1,628,603.88

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Solution

The fourth proportional to 3,623,142.12, 5,434,834.14 and 1,628,603.88 is: 2,442,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,142.12 : 5,434,834.14 = 1,628,603.88 : x
  2. Step 2: Convert to fraction form
    3,623,142.12/5,434,834.14 = 1,628,603.88/x
  3. Step 3: Cross multiply
    3,623,142.12x = 5,434,834.14 × 1,628,603.88
  4. Step 4: Simplify right side
    3,623,142.12x = 8,851,191,967,560.46
  5. Step 5: Solve for x
    x = 8,851,191,967,560.46/3,623,142.12
  6. Step 6: Final answer
    x = 2,442,960.19

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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.