Home / 1,617,335.04-2,231,233.92-1,186,867.20

Finding the Fourth Proportional to 1,617,335.04, 2,231,233.92 and 1,186,867.20

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Solution

The fourth proportional to 1,617,335.04, 2,231,233.92 and 1,186,867.20 is: 1,637,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,335.04 : 2,231,233.92 = 1,186,867.20 : x
  2. Step 2: Convert to fraction form
    1,617,335.04/2,231,233.92 = 1,186,867.20/x
  3. Step 3: Cross multiply
    1,617,335.04x = 2,231,233.92 × 1,186,867.20
  4. Step 4: Simplify right side
    1,617,335.04x = 2,648,178,355,175.42
  5. Step 5: Solve for x
    x = 2,648,178,355,175.42/1,617,335.04
  6. Step 6: Final answer
    x = 1,637,371.53

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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.