Home / 3,790,798.32-5,231,300.58-2,159,356.80

Finding the Fourth Proportional to 3,790,798.32, 5,231,300.58 and 2,159,356.80

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Solution

The fourth proportional to 3,790,798.32, 5,231,300.58 and 2,159,356.80 is: 2,979,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,798.32 : 5,231,300.58 = 2,159,356.80 : x
  2. Step 2: Convert to fraction form
    3,790,798.32/5,231,300.58 = 2,159,356.80/x
  3. Step 3: Cross multiply
    3,790,798.32x = 5,231,300.58 × 2,159,356.80
  4. Step 4: Simplify right side
    3,790,798.32x = 11,296,244,480,266.94
  5. Step 5: Solve for x
    x = 11,296,244,480,266.94/3,790,798.32
  6. Step 6: Final answer
    x = 2,979,911.76

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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.