Home / 3,902,698.56-5,385,548.16-2,160,433.20

Finding the Fourth Proportional to 3,902,698.56, 5,385,548.16 and 2,160,433.20

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Solution

The fourth proportional to 3,902,698.56, 5,385,548.16 and 2,160,433.20 is: 2,981,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,698.56 : 5,385,548.16 = 2,160,433.20 : x
  2. Step 2: Convert to fraction form
    3,902,698.56/5,385,548.16 = 2,160,433.20/x
  3. Step 3: Cross multiply
    3,902,698.56x = 5,385,548.16 × 2,160,433.20
  4. Step 4: Simplify right side
    3,902,698.56x = 11,635,117,045,062.91
  5. Step 5: Solve for x
    x = 11,635,117,045,062.91/3,902,698.56
  6. Step 6: Final answer
    x = 2,981,300.47

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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.