Home / 2,145,480.66-2,960,252.87-1,215,196.47

Finding the Fourth Proportional to 2,145,480.66, 2,960,252.87 and 1,215,196.47

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Solution

The fourth proportional to 2,145,480.66, 2,960,252.87 and 1,215,196.47 is: 1,676,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,480.66 : 2,960,252.87 = 1,215,196.47 : x
  2. Step 2: Convert to fraction form
    2,145,480.66/2,960,252.87 = 1,215,196.47/x
  3. Step 3: Cross multiply
    2,145,480.66x = 2,960,252.87 × 1,215,196.47
  4. Step 4: Simplify right side
    2,145,480.66x = 3,597,288,831,855.39
  5. Step 5: Solve for x
    x = 3,597,288,831,855.39/2,145,480.66
  6. Step 6: Final answer
    x = 1,676,682.01

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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.