Home / 5,190,474.72-7,780,813.20-2,496,324

Finding the Fourth Proportional to 5,190,474.72, 7,780,813.20 and 2,496,324

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Solution

The fourth proportional to 5,190,474.72, 7,780,813.20 and 2,496,324 is: 3,742,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,474.72 : 7,780,813.20 = 2,496,324 : x
  2. Step 2: Convert to fraction form
    5,190,474.72/7,780,813.20 = 2,496,324/x
  3. Step 3: Cross multiply
    5,190,474.72x = 7,780,813.20 × 2,496,324
  4. Step 4: Simplify right side
    5,190,474.72x = 19,423,430,730,676.80
  5. Step 5: Solve for x
    x = 19,423,430,730,676.80/5,190,474.72
  6. Step 6: Final answer
    x = 3,742,129.92

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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.