Home / 3,818,770.32-5,270,038.32-2,100,021.60

Finding the Fourth Proportional to 3,818,770.32, 5,270,038.32 and 2,100,021.60

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Solution

The fourth proportional to 3,818,770.32, 5,270,038.32 and 2,100,021.60 is: 2,898,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,770.32 : 5,270,038.32 = 2,100,021.60 : x
  2. Step 2: Convert to fraction form
    3,818,770.32/5,270,038.32 = 2,100,021.60/x
  3. Step 3: Cross multiply
    3,818,770.32x = 5,270,038.32 × 2,100,021.60
  4. Step 4: Simplify right side
    3,818,770.32x = 11,067,194,304,827.71
  5. Step 5: Solve for x
    x = 11,067,194,304,827.71/3,818,770.32
  6. Step 6: Final answer
    x = 2,898,104.20

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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.