Home / 1,898,644.62-2,620,120.03-1,027,478.69

Finding the Fourth Proportional to 1,898,644.62, 2,620,120.03 and 1,027,478.69

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Solution

The fourth proportional to 1,898,644.62, 2,620,120.03 and 1,027,478.69 is: 1,417,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,644.62 : 2,620,120.03 = 1,027,478.69 : x
  2. Step 2: Convert to fraction form
    1,898,644.62/2,620,120.03 = 1,027,478.69/x
  3. Step 3: Cross multiply
    1,898,644.62x = 2,620,120.03 × 1,027,478.69
  4. Step 4: Simplify right side
    1,898,644.62x = 2,692,117,480,397.86
  5. Step 5: Solve for x
    x = 2,692,117,480,397.86/1,898,644.62
  6. Step 6: Final answer
    x = 1,417,915.42

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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.