Home / 5,142,166.70-7,096,036.24-2,818,979.82

Finding the Fourth Proportional to 5,142,166.70, 7,096,036.24 and 2,818,979.82

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Solution

The fourth proportional to 5,142,166.70, 7,096,036.24 and 2,818,979.82 is: 3,890,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,166.70 : 7,096,036.24 = 2,818,979.82 : x
  2. Step 2: Convert to fraction form
    5,142,166.70/7,096,036.24 = 2,818,979.82/x
  3. Step 3: Cross multiply
    5,142,166.70x = 7,096,036.24 × 2,818,979.82
  4. Step 4: Simplify right side
    5,142,166.70x = 20,003,582,962,548.68
  5. Step 5: Solve for x
    x = 20,003,582,962,548.68/5,142,166.70
  6. Step 6: Final answer
    x = 3,890,107.83

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1.5x scale

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.