Home / 2,782,371.50-3,839,605.76-1,558,728.62

Finding the Fourth Proportional to 2,782,371.50, 3,839,605.76 and 1,558,728.62

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Solution

The fourth proportional to 2,782,371.50, 3,839,605.76 and 1,558,728.62 is: 2,151,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,371.50 : 3,839,605.76 = 1,558,728.62 : x
  2. Step 2: Convert to fraction form
    2,782,371.50/3,839,605.76 = 1,558,728.62/x
  3. Step 3: Cross multiply
    2,782,371.50x = 3,839,605.76 × 1,558,728.62
  4. Step 4: Simplify right side
    2,782,371.50x = 5,984,903,387,628.85
  5. Step 5: Solve for x
    x = 5,984,903,387,628.85/2,782,371.50
  6. Step 6: Final answer
    x = 2,151,008.01

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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.