Home / 5,387,069.43-7,434,313.92-2,939,838.40

Finding the Fourth Proportional to 5,387,069.43, 7,434,313.92 and 2,939,838.40

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Solution

The fourth proportional to 5,387,069.43, 7,434,313.92 and 2,939,838.40 is: 4,057,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,069.43 : 7,434,313.92 = 2,939,838.40 : x
  2. Step 2: Convert to fraction form
    5,387,069.43/7,434,313.92 = 2,939,838.40/x
  3. Step 3: Cross multiply
    5,387,069.43x = 7,434,313.92 × 2,939,838.40
  4. Step 4: Simplify right side
    5,387,069.43x = 21,855,681,548,963.42
  5. Step 5: Solve for x
    x = 21,855,681,548,963.42/5,387,069.43
  6. Step 6: Final answer
    x = 4,057,063.28

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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.