Home / 2,618,752.92-3,924,545.58-1,978,530.36

Finding the Fourth Proportional to 2,618,752.92, 3,924,545.58 and 1,978,530.36

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Solution

The fourth proportional to 2,618,752.92, 3,924,545.58 and 1,978,530.36 is: 2,965,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,752.92 : 3,924,545.58 = 1,978,530.36 : x
  2. Step 2: Convert to fraction form
    2,618,752.92/3,924,545.58 = 1,978,530.36/x
  3. Step 3: Cross multiply
    2,618,752.92x = 3,924,545.58 × 1,978,530.36
  4. Step 4: Simplify right side
    2,618,752.92x = 7,764,832,579,233.81
  5. Step 5: Solve for x
    x = 7,764,832,579,233.81/2,618,752.92
  6. Step 6: Final answer
    x = 2,965,087.89

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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.