Home / 3,856,445.20-5,779,138.20-2,837,616.40

Finding the Fourth Proportional to 3,856,445.20, 5,779,138.20 and 2,837,616.40

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Solution

The fourth proportional to 3,856,445.20, 5,779,138.20 and 2,837,616.40 is: 4,252,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,445.20 : 5,779,138.20 = 2,837,616.40 : x
  2. Step 2: Convert to fraction form
    3,856,445.20/5,779,138.20 = 2,837,616.40/x
  3. Step 3: Cross multiply
    3,856,445.20x = 5,779,138.20 × 2,837,616.40
  4. Step 4: Simplify right side
    3,856,445.20x = 16,398,977,334,186.48
  5. Step 5: Solve for x
    x = 16,398,977,334,186.48/3,856,445.20
  6. Step 6: Final answer
    x = 4,252,355.86

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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.