Home / 1,717,174.62-2,576,196.90-1,212,721.20

Finding the Fourth Proportional to 1,717,174.62, 2,576,196.90 and 1,212,721.20

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Solution

The fourth proportional to 1,717,174.62, 2,576,196.90 and 1,212,721.20 is: 1,819,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,174.62 : 2,576,196.90 = 1,212,721.20 : x
  2. Step 2: Convert to fraction form
    1,717,174.62/2,576,196.90 = 1,212,721.20/x
  3. Step 3: Cross multiply
    1,717,174.62x = 2,576,196.90 × 1,212,721.20
  4. Step 4: Simplify right side
    1,717,174.62x = 3,124,208,596,004.28
  5. Step 5: Solve for x
    x = 3,124,208,596,004.28/1,717,174.62
  6. Step 6: Final answer
    x = 1,819,388.99

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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.