Home / 3,820,998.17-5,273,011.78-2,078,705.70

Finding the Fourth Proportional to 3,820,998.17, 5,273,011.78 and 2,078,705.70

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Solution

The fourth proportional to 3,820,998.17, 5,273,011.78 and 2,078,705.70 is: 2,868,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,998.17 : 5,273,011.78 = 2,078,705.70 : x
  2. Step 2: Convert to fraction form
    3,820,998.17/5,273,011.78 = 2,078,705.70/x
  3. Step 3: Cross multiply
    3,820,998.17x = 5,273,011.78 × 2,078,705.70
  4. Step 4: Simplify right side
    3,820,998.17x = 10,961,039,638,056.38
  5. Step 5: Solve for x
    x = 10,961,039,638,056.38/3,820,998.17
  6. Step 6: Final answer
    x = 2,868,632.53

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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.