Home / 2,084,888.72-3,127,566.36-664,615.28

Finding the Fourth Proportional to 2,084,888.72, 3,127,566.36 and 664,615.28

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Solution

The fourth proportional to 2,084,888.72, 3,127,566.36 and 664,615.28 is: 996,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,888.72 : 3,127,566.36 = 664,615.28 : x
  2. Step 2: Convert to fraction form
    2,084,888.72/3,127,566.36 = 664,615.28/x
  3. Step 3: Cross multiply
    2,084,888.72x = 3,127,566.36 × 664,615.28
  4. Step 4: Simplify right side
    2,084,888.72x = 2,078,628,402,381.20
  5. Step 5: Solve for x
    x = 2,078,628,402,381.20/2,084,888.72
  6. Step 6: Final answer
    x = 996,997.29

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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.