Home / 2,807,154.45-4,212,215.19-1,991,762.73

Finding the Fourth Proportional to 2,807,154.45, 4,212,215.19 and 1,991,762.73

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Solution

The fourth proportional to 2,807,154.45, 4,212,215.19 and 1,991,762.73 is: 2,988,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,154.45 : 4,212,215.19 = 1,991,762.73 : x
  2. Step 2: Convert to fraction form
    2,807,154.45/4,212,215.19 = 1,991,762.73/x
  3. Step 3: Cross multiply
    2,807,154.45x = 4,212,215.19 × 1,991,762.73
  4. Step 4: Simplify right side
    2,807,154.45x = 8,389,733,226,181.87
  5. Step 5: Solve for x
    x = 8,389,733,226,181.87/2,807,154.45
  6. Step 6: Final answer
    x = 2,988,696.69

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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.