Home / 2,278,392.75-3,143,035.62-1,503,206.51

Finding the Fourth Proportional to 2,278,392.75, 3,143,035.62 and 1,503,206.51

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Solution

The fourth proportional to 2,278,392.75, 3,143,035.62 and 1,503,206.51 is: 2,073,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,392.75 : 3,143,035.62 = 1,503,206.51 : x
  2. Step 2: Convert to fraction form
    2,278,392.75/3,143,035.62 = 1,503,206.51/x
  3. Step 3: Cross multiply
    2,278,392.75x = 3,143,035.62 × 1,503,206.51
  4. Step 4: Simplify right side
    2,278,392.75x = 4,724,631,589,430.71
  5. Step 5: Solve for x
    x = 4,724,631,589,430.71/2,278,392.75
  6. Step 6: Final answer
    x = 2,073,668.64

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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.