Home / 2,930,421.22-4,393,284.40-1,392,644.81

Finding the Fourth Proportional to 2,930,421.22, 4,393,284.40 and 1,392,644.81

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Solution

The fourth proportional to 2,930,421.22, 4,393,284.40 and 1,392,644.81 is: 2,087,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,421.22 : 4,393,284.40 = 1,392,644.81 : x
  2. Step 2: Convert to fraction form
    2,930,421.22/4,393,284.40 = 1,392,644.81/x
  3. Step 3: Cross multiply
    2,930,421.22x = 4,393,284.40 × 1,392,644.81
  4. Step 4: Simplify right side
    2,930,421.22x = 6,118,284,726,015.56
  5. Step 5: Solve for x
    x = 6,118,284,726,015.56/2,930,421.22
  6. Step 6: Final answer
    x = 2,087,851.63

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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.