Home / 5,183,678.37-7,153,479.23-2,891,839.06

Finding the Fourth Proportional to 5,183,678.37, 7,153,479.23 and 2,891,839.06

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Solution

The fourth proportional to 5,183,678.37, 7,153,479.23 and 2,891,839.06 is: 3,990,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,678.37 : 7,153,479.23 = 2,891,839.06 : x
  2. Step 2: Convert to fraction form
    5,183,678.37/7,153,479.23 = 2,891,839.06/x
  3. Step 3: Cross multiply
    5,183,678.37x = 7,153,479.23 × 2,891,839.06
  4. Step 4: Simplify right side
    5,183,678.37x = 20,686,710,652,212.73
  5. Step 5: Solve for x
    x = 20,686,710,652,212.73/5,183,678.37
  6. Step 6: Final answer
    x = 3,990,739.62

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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.