Home / 3,886,015.40-5,819,691.90-3,139,519.40

Finding the Fourth Proportional to 3,886,015.40, 5,819,691.90 and 3,139,519.40

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Solution

The fourth proportional to 3,886,015.40, 5,819,691.90 and 3,139,519.40 is: 4,701,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,015.40 : 5,819,691.90 = 3,139,519.40 : x
  2. Step 2: Convert to fraction form
    3,886,015.40/5,819,691.90 = 3,139,519.40/x
  3. Step 3: Cross multiply
    3,886,015.40x = 5,819,691.90 × 3,139,519.40
  4. Step 4: Simplify right side
    3,886,015.40x = 18,271,035,622,072.86
  5. Step 5: Solve for x
    x = 18,271,035,622,072.86/3,886,015.40
  6. Step 6: Final answer
    x = 4,701,740.41

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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.