Home / 2,787,698.14-3,848,117.55-1,976,143.75

Finding the Fourth Proportional to 2,787,698.14, 3,848,117.55 and 1,976,143.75

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Solution

The fourth proportional to 2,787,698.14, 3,848,117.55 and 1,976,143.75 is: 2,727,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,698.14 : 3,848,117.55 = 1,976,143.75 : x
  2. Step 2: Convert to fraction form
    2,787,698.14/3,848,117.55 = 1,976,143.75/x
  3. Step 3: Cross multiply
    2,787,698.14x = 3,848,117.55 × 1,976,143.75
  4. Step 4: Simplify right side
    2,787,698.14x = 7,604,433,445,697.81
  5. Step 5: Solve for x
    x = 7,604,433,445,697.81/2,787,698.14
  6. Step 6: Final answer
    x = 2,727,853.97

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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.