Home / 1,947,992.74-2,687,443.95-1,294,934.56

Finding the Fourth Proportional to 1,947,992.74, 2,687,443.95 and 1,294,934.56

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Solution

The fourth proportional to 1,947,992.74, 2,687,443.95 and 1,294,934.56 is: 1,786,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,992.74 : 2,687,443.95 = 1,294,934.56 : x
  2. Step 2: Convert to fraction form
    1,947,992.74/2,687,443.95 = 1,294,934.56/x
  3. Step 3: Cross multiply
    1,947,992.74x = 2,687,443.95 × 1,294,934.56
  4. Step 4: Simplify right side
    1,947,992.74x = 3,480,064,048,917.91
  5. Step 5: Solve for x
    x = 3,480,064,048,917.91/1,947,992.74
  6. Step 6: Final answer
    x = 1,786,487.18

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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.