Home / 1,731,263.61-2,608,712.55-1,422,634.17

Finding the Fourth Proportional to 1,731,263.61, 2,608,712.55 and 1,422,634.17

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Solution

The fourth proportional to 1,731,263.61, 2,608,712.55 and 1,422,634.17 is: 2,143,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,263.61 : 2,608,712.55 = 1,422,634.17 : x
  2. Step 2: Convert to fraction form
    1,731,263.61/2,608,712.55 = 1,422,634.17/x
  3. Step 3: Cross multiply
    1,731,263.61x = 2,608,712.55 × 1,422,634.17
  4. Step 4: Simplify right side
    1,731,263.61x = 3,711,243,618,672.71
  5. Step 5: Solve for x
    x = 3,711,243,618,672.71/1,731,263.61
  6. Step 6: Final answer
    x = 2,143,661.77

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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.