Home / 1,995,972.41-2,753,572.86-1,221,637.73

Finding the Fourth Proportional to 1,995,972.41, 2,753,572.86 and 1,221,637.73

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Solution

The fourth proportional to 1,995,972.41, 2,753,572.86 and 1,221,637.73 is: 1,685,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,972.41 : 2,753,572.86 = 1,221,637.73 : x
  2. Step 2: Convert to fraction form
    1,995,972.41/2,753,572.86 = 1,221,637.73/x
  3. Step 3: Cross multiply
    1,995,972.41x = 2,753,572.86 × 1,221,637.73
  4. Step 4: Simplify right side
    1,995,972.41x = 3,363,868,484,312.14
  5. Step 5: Solve for x
    x = 3,363,868,484,312.14/1,995,972.41
  6. Step 6: Final answer
    x = 1,685,328.15

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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.