Home / 2,157,530.46-2,978,511.45-1,576,100.70

Finding the Fourth Proportional to 2,157,530.46, 2,978,511.45 and 1,576,100.70

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Solution

The fourth proportional to 2,157,530.46, 2,978,511.45 and 1,576,100.70 is: 2,175,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,530.46 : 2,978,511.45 = 1,576,100.70 : x
  2. Step 2: Convert to fraction form
    2,157,530.46/2,978,511.45 = 1,576,100.70/x
  3. Step 3: Cross multiply
    2,157,530.46x = 2,978,511.45 × 1,576,100.70
  4. Step 4: Simplify right side
    2,157,530.46x = 4,694,433,981,303.02
  5. Step 5: Solve for x
    x = 4,694,433,981,303.02/2,157,530.46
  6. Step 6: Final answer
    x = 2,175,836.71

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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.