Home / 3,880,178.13-5,354,811.01-2,161,299.40

Finding the Fourth Proportional to 3,880,178.13, 5,354,811.01 and 2,161,299.40

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Solution

The fourth proportional to 3,880,178.13, 5,354,811.01 and 2,161,299.40 is: 2,982,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,178.13 : 5,354,811.01 = 2,161,299.40 : x
  2. Step 2: Convert to fraction form
    3,880,178.13/5,354,811.01 = 2,161,299.40/x
  3. Step 3: Cross multiply
    3,880,178.13x = 5,354,811.01 × 2,161,299.40
  4. Step 4: Simplify right side
    3,880,178.13x = 11,573,349,823,026.39
  5. Step 5: Solve for x
    x = 11,573,349,823,026.39/3,880,178.13
  6. Step 6: Final answer
    x = 2,982,685.18

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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.