Home / 1,731,263.49-2,608,712.36-1,422,634.05

Finding the Fourth Proportional to 1,731,263.49, 2,608,712.36 and 1,422,634.05

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Solution

The fourth proportional to 1,731,263.49, 2,608,712.36 and 1,422,634.05 is: 2,143,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,263.49 : 2,608,712.36 = 1,422,634.05 : x
  2. Step 2: Convert to fraction form
    1,731,263.49/2,608,712.36 = 1,422,634.05/x
  3. Step 3: Cross multiply
    1,731,263.49x = 2,608,712.36 × 1,422,634.05
  4. Step 4: Simplify right side
    1,731,263.49x = 3,711,243,029,991.86
  5. Step 5: Solve for x
    x = 3,711,243,029,991.86/1,731,263.49
  6. Step 6: Final answer
    x = 2,143,661.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.