Home / 2,087,449.11-3,130,186.73-808,655.54

Finding the Fourth Proportional to 2,087,449.11, 3,130,186.73 and 808,655.54

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Solution

The fourth proportional to 2,087,449.11, 3,130,186.73 and 808,655.54 is: 1,212,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,449.11 : 3,130,186.73 = 808,655.54 : x
  2. Step 2: Convert to fraction form
    2,087,449.11/3,130,186.73 = 808,655.54/x
  3. Step 3: Cross multiply
    2,087,449.11x = 3,130,186.73 × 808,655.54
  4. Step 4: Simplify right side
    2,087,449.11x = 2,531,242,820,754.77
  5. Step 5: Solve for x
    x = 2,531,242,820,754.77/2,087,449.11
  6. Step 6: Final answer
    x = 1,212,600.97

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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.