Home / 3,453,918.17-5,174,144.96-2,102,729.40

Finding the Fourth Proportional to 3,453,918.17, 5,174,144.96 and 2,102,729.40

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Solution

The fourth proportional to 3,453,918.17, 5,174,144.96 and 2,102,729.40 is: 3,149,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,918.17 : 5,174,144.96 = 2,102,729.40 : x
  2. Step 2: Convert to fraction form
    3,453,918.17/5,174,144.96 = 2,102,729.40/x
  3. Step 3: Cross multiply
    3,453,918.17x = 5,174,144.96 × 2,102,729.40
  4. Step 4: Simplify right side
    3,453,918.17x = 10,879,826,716,740.18
  5. Step 5: Solve for x
    x = 10,879,826,716,740.18/3,453,918.17
  6. Step 6: Final answer
    x = 3,149,995.51

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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.