Home / 2,114,561.54-3,171,814.80-517,138.46

Finding the Fourth Proportional to 2,114,561.54, 3,171,814.80 and 517,138.46

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Solution

The fourth proportional to 2,114,561.54, 3,171,814.80 and 517,138.46 is: 775,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,561.54 : 3,171,814.80 = 517,138.46 : x
  2. Step 2: Convert to fraction form
    2,114,561.54/3,171,814.80 = 517,138.46/x
  3. Step 3: Cross multiply
    2,114,561.54x = 3,171,814.80 × 517,138.46
  4. Step 4: Simplify right side
    2,114,561.54x = 1,640,267,421,077.21
  5. Step 5: Solve for x
    x = 1,640,267,421,077.21/2,114,561.54
  6. Step 6: Final answer
    x = 775,700.96

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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.