Home / 3,985,603.42-5,500,265.43-2,174,866.78

Finding the Fourth Proportional to 3,985,603.42, 5,500,265.43 and 2,174,866.78

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Solution

The fourth proportional to 3,985,603.42, 5,500,265.43 and 2,174,866.78 is: 3,001,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,603.42 : 5,500,265.43 = 2,174,866.78 : x
  2. Step 2: Convert to fraction form
    3,985,603.42/5,500,265.43 = 2,174,866.78/x
  3. Step 3: Cross multiply
    3,985,603.42x = 5,500,265.43 × 2,174,866.78
  4. Step 4: Simplify right side
    3,985,603.42x = 11,962,344,564,889.41
  5. Step 5: Solve for x
    x = 11,962,344,564,889.41/3,985,603.42
  6. Step 6: Final answer
    x = 3,001,388.57

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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.