Home / 5,540,916.40-8,311,374.60-3,415,152.40

Finding the Fourth Proportional to 5,540,916.40, 8,311,374.60 and 3,415,152.40

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Solution

The fourth proportional to 5,540,916.40, 8,311,374.60 and 3,415,152.40 is: 5,122,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540,916.40 : 8,311,374.60 = 3,415,152.40 : x
  2. Step 2: Convert to fraction form
    5,540,916.40/8,311,374.60 = 3,415,152.40/x
  3. Step 3: Cross multiply
    5,540,916.40x = 8,311,374.60 × 3,415,152.40
  4. Step 4: Simplify right side
    5,540,916.40x = 28,384,610,912,489.04
  5. Step 5: Solve for x
    x = 28,384,610,912,489.04/5,540,916.40
  6. Step 6: Final answer
    x = 5,122,728.60

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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.