Home / 3,809,223.18-5,256,879.55-2,090,405.21

Finding the Fourth Proportional to 3,809,223.18, 5,256,879.55 and 2,090,405.21

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Solution

The fourth proportional to 3,809,223.18, 5,256,879.55 and 2,090,405.21 is: 2,884,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,223.18 : 5,256,879.55 = 2,090,405.21 : x
  2. Step 2: Convert to fraction form
    3,809,223.18/5,256,879.55 = 2,090,405.21/x
  3. Step 3: Cross multiply
    3,809,223.18x = 5,256,879.55 × 2,090,405.21
  4. Step 4: Simplify right side
    3,809,223.18x = 10,989,008,368,152.04
  5. Step 5: Solve for x
    x = 10,989,008,368,152.04/3,809,223.18
  6. Step 6: Final answer
    x = 2,884,842.35

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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.