Home / 1,486,015.97-2,050,709.87-841,561.61

Finding the Fourth Proportional to 1,486,015.97, 2,050,709.87 and 841,561.61

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Solution

The fourth proportional to 1,486,015.97, 2,050,709.87 and 841,561.61 is: 1,161,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,015.97 : 2,050,709.87 = 841,561.61 : x
  2. Step 2: Convert to fraction form
    1,486,015.97/2,050,709.87 = 841,561.61/x
  3. Step 3: Cross multiply
    1,486,015.97x = 2,050,709.87 × 841,561.61
  4. Step 4: Simplify right side
    1,486,015.97x = 1,725,798,691,690.45
  5. Step 5: Solve for x
    x = 1,725,798,691,690.45/1,486,015.97
  6. Step 6: Final answer
    x = 1,161,359.46

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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.