Home / 1,807,812.87-2,494,936.71-992,174.22

Finding the Fourth Proportional to 1,807,812.87, 2,494,936.71 and 992,174.22

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Solution

The fourth proportional to 1,807,812.87, 2,494,936.71 and 992,174.22 is: 1,369,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,812.87 : 2,494,936.71 = 992,174.22 : x
  2. Step 2: Convert to fraction form
    1,807,812.87/2,494,936.71 = 992,174.22/x
  3. Step 3: Cross multiply
    1,807,812.87x = 2,494,936.71 × 992,174.22
  4. Step 4: Simplify right side
    1,807,812.87x = 2,475,411,894,001.22
  5. Step 5: Solve for x
    x = 2,475,411,894,001.22/1,807,812.87
  6. Step 6: Final answer
    x = 1,369,285.47

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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.