Home / 2,653,250.40-3,980,656.44-856,100.16

Finding the Fourth Proportional to 2,653,250.40, 3,980,656.44 and 856,100.16

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Solution

The fourth proportional to 2,653,250.40, 3,980,656.44 and 856,100.16 is: 1,284,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,250.40 : 3,980,656.44 = 856,100.16 : x
  2. Step 2: Convert to fraction form
    2,653,250.40/3,980,656.44 = 856,100.16/x
  3. Step 3: Cross multiply
    2,653,250.40x = 3,980,656.44 × 856,100.16
  4. Step 4: Simplify right side
    2,653,250.40x = 3,407,840,615,189.03
  5. Step 5: Solve for x
    x = 3,407,840,615,189.03/2,653,250.40
  6. Step 6: Final answer
    x = 1,284,402.19

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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.