Home / 2,085,913.24-3,129,358.06-646,521.42

Finding the Fourth Proportional to 2,085,913.24, 3,129,358.06 and 646,521.42

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Solution

The fourth proportional to 2,085,913.24, 3,129,358.06 and 646,521.42 is: 969,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,913.24 : 3,129,358.06 = 646,521.42 : x
  2. Step 2: Convert to fraction form
    2,085,913.24/3,129,358.06 = 646,521.42/x
  3. Step 3: Cross multiply
    2,085,913.24x = 3,129,358.06 × 646,521.42
  4. Step 4: Simplify right side
    2,085,913.24x = 2,023,197,018,255.95
  5. Step 5: Solve for x
    x = 2,023,197,018,255.95/2,085,913.24
  6. Step 6: Final answer
    x = 969,933.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.