Home / 1,813,556.45-2,502,707.78-997,742.61

Finding the Fourth Proportional to 1,813,556.45, 2,502,707.78 and 997,742.61

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Solution

The fourth proportional to 1,813,556.45, 2,502,707.78 and 997,742.61 is: 1,376,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,556.45 : 2,502,707.78 = 997,742.61 : x
  2. Step 2: Convert to fraction form
    1,813,556.45/2,502,707.78 = 997,742.61/x
  3. Step 3: Cross multiply
    1,813,556.45x = 2,502,707.78 × 997,742.61
  4. Step 4: Simplify right side
    1,813,556.45x = 2,497,058,179,981.41
  5. Step 5: Solve for x
    x = 2,497,058,179,981.41/1,813,556.45
  6. Step 6: Final answer
    x = 1,376,884.73

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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.