Home / 3,100,731.36-4,278,047.58-1,810,641.12

Finding the Fourth Proportional to 3,100,731.36, 4,278,047.58 and 1,810,641.12

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Solution

The fourth proportional to 3,100,731.36, 4,278,047.58 and 1,810,641.12 is: 2,498,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,731.36 : 4,278,047.58 = 1,810,641.12 : x
  2. Step 2: Convert to fraction form
    3,100,731.36/4,278,047.58 = 1,810,641.12/x
  3. Step 3: Cross multiply
    3,100,731.36x = 4,278,047.58 × 1,810,641.12
  4. Step 4: Simplify right side
    3,100,731.36x = 7,746,008,861,664.49
  5. Step 5: Solve for x
    x = 7,746,008,861,664.49/3,100,731.36
  6. Step 6: Final answer
    x = 2,498,123.17

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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.