Home / 1,987,009.98-2,980,542.92-567,066.21

Finding the Fourth Proportional to 1,987,009.98, 2,980,542.92 and 567,066.21

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Solution

The fourth proportional to 1,987,009.98, 2,980,542.92 and 567,066.21 is: 850,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,009.98 : 2,980,542.92 = 567,066.21 : x
  2. Step 2: Convert to fraction form
    1,987,009.98/2,980,542.92 = 567,066.21/x
  3. Step 3: Cross multiply
    1,987,009.98x = 2,980,542.92 × 567,066.21
  4. Step 4: Simplify right side
    1,987,009.98x = 1,690,165,174,551.40
  5. Step 5: Solve for x
    x = 1,690,165,174,551.40/1,987,009.98
  6. Step 6: Final answer
    x = 850,607.29

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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.