Home / 1,985,009.62-2,977,232.78-636,997.90

Finding the Fourth Proportional to 1,985,009.62, 2,977,232.78 and 636,997.90

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Solution

The fourth proportional to 1,985,009.62, 2,977,232.78 and 636,997.90 is: 955,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,009.62 : 2,977,232.78 = 636,997.90 : x
  2. Step 2: Convert to fraction form
    1,985,009.62/2,977,232.78 = 636,997.90/x
  3. Step 3: Cross multiply
    1,985,009.62x = 2,977,232.78 × 636,997.90
  4. Step 4: Simplify right side
    1,985,009.62x = 1,896,491,028,671.16
  5. Step 5: Solve for x
    x = 1,896,491,028,671.16/1,985,009.62
  6. Step 6: Final answer
    x = 955,406.47

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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.