Home / 3,875,803.74-5,348,570.13-2,156,895.18

Finding the Fourth Proportional to 3,875,803.74, 5,348,570.13 and 2,156,895.18

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Solution

The fourth proportional to 3,875,803.74, 5,348,570.13 and 2,156,895.18 is: 2,976,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,803.74 : 5,348,570.13 = 2,156,895.18 : x
  2. Step 2: Convert to fraction form
    3,875,803.74/5,348,570.13 = 2,156,895.18/x
  3. Step 3: Cross multiply
    3,875,803.74x = 5,348,570.13 × 2,156,895.18
  4. Step 4: Simplify right side
    3,875,803.74x = 11,536,305,133,288.97
  5. Step 5: Solve for x
    x = 11,536,305,133,288.97/3,875,803.74
  6. Step 6: Final answer
    x = 2,976,493.63

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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.