Home / 3,849,405.57-5,313,362.80-2,218,903.21

Finding the Fourth Proportional to 3,849,405.57, 5,313,362.80 and 2,218,903.21

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Solution

The fourth proportional to 3,849,405.57, 5,313,362.80 and 2,218,903.21 is: 3,062,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,405.57 : 5,313,362.80 = 2,218,903.21 : x
  2. Step 2: Convert to fraction form
    3,849,405.57/5,313,362.80 = 2,218,903.21/x
  3. Step 3: Cross multiply
    3,849,405.57x = 5,313,362.80 × 2,218,903.21
  4. Step 4: Simplify right side
    3,849,405.57x = 11,789,837,753,983.92
  5. Step 5: Solve for x
    x = 11,789,837,753,983.92/3,849,405.57
  6. Step 6: Final answer
    x = 3,062,768.40

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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.