Home / 3,389,645.28-4,676,572.08-1,919,353.44

Finding the Fourth Proportional to 3,389,645.28, 4,676,572.08 and 1,919,353.44

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Solution

The fourth proportional to 3,389,645.28, 4,676,572.08 and 1,919,353.44 is: 2,648,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,645.28 : 4,676,572.08 = 1,919,353.44 : x
  2. Step 2: Convert to fraction form
    3,389,645.28/4,676,572.08 = 1,919,353.44/x
  3. Step 3: Cross multiply
    3,389,645.28x = 4,676,572.08 × 1,919,353.44
  4. Step 4: Simplify right side
    3,389,645.28x = 8,975,994,709,155.96
  5. Step 5: Solve for x
    x = 8,975,994,709,155.96/3,389,645.28
  6. Step 6: Final answer
    x = 2,648,063.14

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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.