Home / 3,638,345.12-5,022,884.76-2,188,364.24

Finding the Fourth Proportional to 3,638,345.12, 5,022,884.76 and 2,188,364.24

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Solution

The fourth proportional to 3,638,345.12, 5,022,884.76 and 2,188,364.24 is: 3,021,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,345.12 : 5,022,884.76 = 2,188,364.24 : x
  2. Step 2: Convert to fraction form
    3,638,345.12/5,022,884.76 = 2,188,364.24/x
  3. Step 3: Cross multiply
    3,638,345.12x = 5,022,884.76 × 2,188,364.24
  4. Step 4: Simplify right side
    3,638,345.12x = 10,991,901,390,424.98
  5. Step 5: Solve for x
    x = 10,991,901,390,424.98/3,638,345.12
  6. Step 6: Final answer
    x = 3,021,126.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.