Home / 3,121,434.75-4,307,929.64-1,763,395.23

Finding the Fourth Proportional to 3,121,434.75, 4,307,929.64 and 1,763,395.23

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Solution

The fourth proportional to 3,121,434.75, 4,307,929.64 and 1,763,395.23 is: 2,433,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,434.75 : 4,307,929.64 = 1,763,395.23 : x
  2. Step 2: Convert to fraction form
    3,121,434.75/4,307,929.64 = 1,763,395.23/x
  3. Step 3: Cross multiply
    3,121,434.75x = 4,307,929.64 × 1,763,395.23
  4. Step 4: Simplify right side
    3,121,434.75x = 7,596,582,578,351.62
  5. Step 5: Solve for x
    x = 7,596,582,578,351.62/3,121,434.75
  6. Step 6: Final answer
    x = 2,433,682.97

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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.