Home / 5,154,144.72-7,116,278.40-3,221,274.16

Finding the Fourth Proportional to 5,154,144.72, 7,116,278.40 and 3,221,274.16

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Solution

The fourth proportional to 5,154,144.72, 7,116,278.40 and 3,221,274.16 is: 4,447,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,144.72 : 7,116,278.40 = 3,221,274.16 : x
  2. Step 2: Convert to fraction form
    5,154,144.72/7,116,278.40 = 3,221,274.16/x
  3. Step 3: Cross multiply
    5,154,144.72x = 7,116,278.40 × 3,221,274.16
  4. Step 4: Simplify right side
    5,154,144.72x = 22,923,483,725,286.14
  5. Step 5: Solve for x
    x = 22,923,483,725,286.14/5,154,144.72
  6. Step 6: Final answer
    x = 4,447,582.47

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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.