Home / 3,926,868.64-5,890,311.06-1,086,989.20

Finding the Fourth Proportional to 3,926,868.64, 5,890,311.06 and 1,086,989.20

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Solution

The fourth proportional to 3,926,868.64, 5,890,311.06 and 1,086,989.20 is: 1,630,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,868.64 : 5,890,311.06 = 1,086,989.20 : x
  2. Step 2: Convert to fraction form
    3,926,868.64/5,890,311.06 = 1,086,989.20/x
  3. Step 3: Cross multiply
    3,926,868.64x = 5,890,311.06 × 1,086,989.20
  4. Step 4: Simplify right side
    3,926,868.64x = 6,402,704,506,860.55
  5. Step 5: Solve for x
    x = 6,402,704,506,860.55/3,926,868.64
  6. Step 6: Final answer
    x = 1,630,486.04

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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.