Home / 2,181,459.98-3,010,538.97-1,310,561.06

Finding the Fourth Proportional to 2,181,459.98, 3,010,538.97 and 1,310,561.06

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Solution

The fourth proportional to 2,181,459.98, 3,010,538.97 and 1,310,561.06 is: 1,808,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,459.98 : 3,010,538.97 = 1,310,561.06 : x
  2. Step 2: Convert to fraction form
    2,181,459.98/3,010,538.97 = 1,310,561.06/x
  3. Step 3: Cross multiply
    2,181,459.98x = 3,010,538.97 × 1,310,561.06
  4. Step 4: Simplify right side
    2,181,459.98x = 3,945,495,143,694.51
  5. Step 5: Solve for x
    x = 3,945,495,143,694.51/2,181,459.98
  6. Step 6: Final answer
    x = 1,808,648.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.