Home / 3,890,425.46-5,369,682.93-2,281,311.86

Finding the Fourth Proportional to 3,890,425.46, 5,369,682.93 and 2,281,311.86

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Solution

The fourth proportional to 3,890,425.46, 5,369,682.93 and 2,281,311.86 is: 3,148,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,425.46 : 5,369,682.93 = 2,281,311.86 : x
  2. Step 2: Convert to fraction form
    3,890,425.46/5,369,682.93 = 2,281,311.86/x
  3. Step 3: Cross multiply
    3,890,425.46x = 5,369,682.93 × 2,281,311.86
  4. Step 4: Simplify right side
    3,890,425.46x = 12,249,921,352,648.55
  5. Step 5: Solve for x
    x = 12,249,921,352,648.55/3,890,425.46
  6. Step 6: Final answer
    x = 3,148,735.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.