Home / 1,627,942.86-2,243,972.70-1,283,219.82

Finding the Fourth Proportional to 1,627,942.86, 2,243,972.70 and 1,283,219.82

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Solution

The fourth proportional to 1,627,942.86, 2,243,972.70 and 1,283,219.82 is: 1,768,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,942.86 : 2,243,972.70 = 1,283,219.82 : x
  2. Step 2: Convert to fraction form
    1,627,942.86/2,243,972.70 = 1,283,219.82/x
  3. Step 3: Cross multiply
    1,627,942.86x = 2,243,972.70 × 1,283,219.82
  4. Step 4: Simplify right side
    1,627,942.86x = 2,879,510,244,178.91
  5. Step 5: Solve for x
    x = 2,879,510,244,178.91/1,627,942.86
  6. Step 6: Final answer
    x = 1,768,803.02

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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.