Home / 5,390,120.60-8,085,180.90-2,193,601.40

Finding the Fourth Proportional to 5,390,120.60, 8,085,180.90 and 2,193,601.40

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Solution

The fourth proportional to 5,390,120.60, 8,085,180.90 and 2,193,601.40 is: 3,290,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,120.60 : 8,085,180.90 = 2,193,601.40 : x
  2. Step 2: Convert to fraction form
    5,390,120.60/8,085,180.90 = 2,193,601.40/x
  3. Step 3: Cross multiply
    5,390,120.60x = 8,085,180.90 × 2,193,601.40
  4. Step 4: Simplify right side
    5,390,120.60x = 17,735,664,141,493.26
  5. Step 5: Solve for x
    x = 17,735,664,141,493.26/5,390,120.60
  6. Step 6: Final answer
    x = 3,290,402.10

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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.