Home / 5,208,585.06-7,188,288.78-2,886,206.05

Finding the Fourth Proportional to 5,208,585.06, 7,188,288.78 and 2,886,206.05

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Solution

The fourth proportional to 5,208,585.06, 7,188,288.78 and 2,886,206.05 is: 3,983,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,585.06 : 7,188,288.78 = 2,886,206.05 : x
  2. Step 2: Convert to fraction form
    5,208,585.06/7,188,288.78 = 2,886,206.05/x
  3. Step 3: Cross multiply
    5,208,585.06x = 7,188,288.78 × 2,886,206.05
  4. Step 4: Simplify right side
    5,208,585.06x = 20,746,882,564,145.21
  5. Step 5: Solve for x
    x = 20,746,882,564,145.21/5,208,585.06
  6. Step 6: Final answer
    x = 3,983,208.94

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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.