Home / 3,615,416.50-5,423,156.52-919,744.56

Finding the Fourth Proportional to 3,615,416.50, 5,423,156.52 and 919,744.56

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Solution

The fourth proportional to 3,615,416.50, 5,423,156.52 and 919,744.56 is: 1,379,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,416.50 : 5,423,156.52 = 919,744.56 : x
  2. Step 2: Convert to fraction form
    3,615,416.50/5,423,156.52 = 919,744.56/x
  3. Step 3: Cross multiply
    3,615,416.50x = 5,423,156.52 × 919,744.56
  4. Step 4: Simplify right side
    3,615,416.50x = 4,987,918,703,983.48
  5. Step 5: Solve for x
    x = 4,987,918,703,983.48/3,615,416.50
  6. Step 6: Final answer
    x = 1,379,624.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.