Home / 2,197,471.72-3,297,154.81-1,186,392.91

Finding the Fourth Proportional to 2,197,471.72, 3,297,154.81 and 1,186,392.91

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Solution

The fourth proportional to 2,197,471.72, 3,297,154.81 and 1,186,392.91 is: 1,780,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,471.72 : 3,297,154.81 = 1,186,392.91 : x
  2. Step 2: Convert to fraction form
    2,197,471.72/3,297,154.81 = 1,186,392.91/x
  3. Step 3: Cross multiply
    2,197,471.72x = 3,297,154.81 × 1,186,392.91
  4. Step 4: Simplify right side
    2,197,471.72x = 3,911,721,074,426.08
  5. Step 5: Solve for x
    x = 3,911,721,074,426.08/2,197,471.72
  6. Step 6: Final answer
    x = 1,780,100.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.