Home / 2,786,037.46-4,179,057.10-1,839,186.74

Finding the Fourth Proportional to 2,786,037.46, 4,179,057.10 and 1,839,186.74

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Solution

The fourth proportional to 2,786,037.46, 4,179,057.10 and 1,839,186.74 is: 2,758,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,037.46 : 4,179,057.10 = 1,839,186.74 : x
  2. Step 2: Convert to fraction form
    2,786,037.46/4,179,057.10 = 1,839,186.74/x
  3. Step 3: Cross multiply
    2,786,037.46x = 4,179,057.10 × 1,839,186.74
  4. Step 4: Simplify right side
    2,786,037.46x = 7,686,066,409,872.53
  5. Step 5: Solve for x
    x = 7,686,066,409,872.53/2,786,037.46
  6. Step 6: Final answer
    x = 2,758,780.72

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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.