Home / 3,539,121.60-5,308,682.40-2,986,161.60

Finding the Fourth Proportional to 3,539,121.60, 5,308,682.40 and 2,986,161.60

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Solution

The fourth proportional to 3,539,121.60, 5,308,682.40 and 2,986,161.60 is: 4,479,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,121.60 : 5,308,682.40 = 2,986,161.60 : x
  2. Step 2: Convert to fraction form
    3,539,121.60/5,308,682.40 = 2,986,161.60/x
  3. Step 3: Cross multiply
    3,539,121.60x = 5,308,682.40 × 2,986,161.60
  4. Step 4: Simplify right side
    3,539,121.60x = 15,852,583,529,475.84
  5. Step 5: Solve for x
    x = 15,852,583,529,475.84/3,539,121.60
  6. Step 6: Final answer
    x = 4,479,242.40

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Double scale
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Similar ratio
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1.5x scale

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.