Home / 2,147,629.52-3,221,463.70-651,721.52

Finding the Fourth Proportional to 2,147,629.52, 3,221,463.70 and 651,721.52

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Solution

The fourth proportional to 2,147,629.52, 3,221,463.70 and 651,721.52 is: 977,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,629.52 : 3,221,463.70 = 651,721.52 : x
  2. Step 2: Convert to fraction form
    2,147,629.52/3,221,463.70 = 651,721.52/x
  3. Step 3: Cross multiply
    2,147,629.52x = 3,221,463.70 × 651,721.52
  4. Step 4: Simplify right side
    2,147,629.52x = 2,099,497,219,188.82
  5. Step 5: Solve for x
    x = 2,099,497,219,188.82/2,147,629.52
  6. Step 6: Final answer
    x = 977,588.17

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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.