Home / 5,384,786.45-7,431,015.53-2,937,400.61

Finding the Fourth Proportional to 5,384,786.45, 7,431,015.53 and 2,937,400.61

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Solution

The fourth proportional to 5,384,786.45, 7,431,015.53 and 2,937,400.61 is: 4,053,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,786.45 : 7,431,015.53 = 2,937,400.61 : x
  2. Step 2: Convert to fraction form
    5,384,786.45/7,431,015.53 = 2,937,400.61/x
  3. Step 3: Cross multiply
    5,384,786.45x = 7,431,015.53 × 2,937,400.61
  4. Step 4: Simplify right side
    5,384,786.45x = 21,827,869,520,929.89
  5. Step 5: Solve for x
    x = 21,827,869,520,929.89/5,384,786.45
  6. Step 6: Final answer
    x = 4,053,618.42

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1.5x scale

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.