Home / 2,652,173.40-3,977,661.78-854,712.12

Finding the Fourth Proportional to 2,652,173.40, 3,977,661.78 and 854,712.12

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Solution

The fourth proportional to 2,652,173.40, 3,977,661.78 and 854,712.12 is: 1,281,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,173.40 : 3,977,661.78 = 854,712.12 : x
  2. Step 2: Convert to fraction form
    2,652,173.40/3,977,661.78 = 854,712.12/x
  3. Step 3: Cross multiply
    2,652,173.40x = 3,977,661.78 × 854,712.12
  4. Step 4: Simplify right side
    2,652,173.40x = 3,399,755,732,626.77
  5. Step 5: Solve for x
    x = 3,399,755,732,626.77/2,652,173.40
  6. Step 6: Final answer
    x = 1,281,875.36

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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.