Home / 3,880,178.03-5,354,810.88-2,161,299.31

Finding the Fourth Proportional to 3,880,178.03, 5,354,810.88 and 2,161,299.31

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Solution

The fourth proportional to 3,880,178.03, 5,354,810.88 and 2,161,299.31 is: 2,982,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,178.03 : 5,354,810.88 = 2,161,299.31 : x
  2. Step 2: Convert to fraction form
    3,880,178.03/5,354,810.88 = 2,161,299.31/x
  3. Step 3: Cross multiply
    3,880,178.03x = 5,354,810.88 × 2,161,299.31
  4. Step 4: Simplify right side
    3,880,178.03x = 11,573,349,038,632.59
  5. Step 5: Solve for x
    x = 11,573,349,038,632.59/3,880,178.03
  6. Step 6: Final answer
    x = 2,982,685.06

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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.