Home / 5,390,420.70-8,085,631.05-3,477,233.10

Finding the Fourth Proportional to 5,390,420.70, 8,085,631.05 and 3,477,233.10

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Solution

The fourth proportional to 5,390,420.70, 8,085,631.05 and 3,477,233.10 is: 5,215,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,420.70 : 8,085,631.05 = 3,477,233.10 : x
  2. Step 2: Convert to fraction form
    5,390,420.70/8,085,631.05 = 3,477,233.10/x
  3. Step 3: Cross multiply
    5,390,420.70x = 8,085,631.05 × 3,477,233.10
  4. Step 4: Simplify right side
    5,390,420.70x = 28,115,623,921,447.75
  5. Step 5: Solve for x
    x = 28,115,623,921,447.75/5,390,420.70
  6. Step 6: Final answer
    x = 5,215,849.65

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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.