Home / 3,960,657.72-5,940,986.75-2,162,560.40

Finding the Fourth Proportional to 3,960,657.72, 5,940,986.75 and 2,162,560.40

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Solution

The fourth proportional to 3,960,657.72, 5,940,986.75 and 2,162,560.40 is: 3,243,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,657.72 : 5,940,986.75 = 2,162,560.40 : x
  2. Step 2: Convert to fraction form
    3,960,657.72/5,940,986.75 = 2,162,560.40/x
  3. Step 3: Cross multiply
    3,960,657.72x = 5,940,986.75 × 2,162,560.40
  4. Step 4: Simplify right side
    3,960,657.72x = 12,847,742,641,956.96
  5. Step 5: Solve for x
    x = 12,847,742,641,956.96/3,960,657.72
  6. Step 6: Final answer
    x = 3,243,840.68

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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.