Home / 3,207,383.54-4,426,189.02-1,918,223.90

Finding the Fourth Proportional to 3,207,383.54, 4,426,189.02 and 1,918,223.90

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Solution

The fourth proportional to 3,207,383.54, 4,426,189.02 and 1,918,223.90 is: 2,647,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,383.54 : 4,426,189.02 = 1,918,223.90 : x
  2. Step 2: Convert to fraction form
    3,207,383.54/4,426,189.02 = 1,918,223.90/x
  3. Step 3: Cross multiply
    3,207,383.54x = 4,426,189.02 × 1,918,223.90
  4. Step 4: Simplify right side
    3,207,383.54x = 8,490,421,564,081.58
  5. Step 5: Solve for x
    x = 8,490,421,564,081.58/3,207,383.54
  6. Step 6: Final answer
    x = 2,647,148.82

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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.