Home / 2,086,012.98-3,128,993.07-666,051.06

Finding the Fourth Proportional to 2,086,012.98, 3,128,993.07 and 666,051.06

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Solution

The fourth proportional to 2,086,012.98, 3,128,993.07 and 666,051.06 is: 999,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,012.98 : 3,128,993.07 = 666,051.06 : x
  2. Step 2: Convert to fraction form
    2,086,012.98/3,128,993.07 = 666,051.06/x
  3. Step 3: Cross multiply
    2,086,012.98x = 3,128,993.07 × 666,051.06
  4. Step 4: Simplify right side
    2,086,012.98x = 2,084,069,151,006.15
  5. Step 5: Solve for x
    x = 2,084,069,151,006.15/2,086,012.98
  6. Step 6: Final answer
    x = 999,068.16

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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.