Home / 3,390,383.58-4,677,922.71-1,920,304.86

Finding the Fourth Proportional to 3,390,383.58, 4,677,922.71 and 1,920,304.86

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Solution

The fourth proportional to 3,390,383.58, 4,677,922.71 and 1,920,304.86 is: 2,649,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,383.58 : 4,677,922.71 = 1,920,304.86 : x
  2. Step 2: Convert to fraction form
    3,390,383.58/4,677,922.71 = 1,920,304.86/x
  3. Step 3: Cross multiply
    3,390,383.58x = 4,677,922.71 × 1,920,304.86
  4. Step 4: Simplify right side
    3,390,383.58x = 8,983,037,714,717.37
  5. Step 5: Solve for x
    x = 8,983,037,714,717.37/3,390,383.58
  6. Step 6: Final answer
    x = 2,649,563.83

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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.