Home / 2,600,342.40-3,900,513.60-2,180,438.40

Finding the Fourth Proportional to 2,600,342.40, 3,900,513.60 and 2,180,438.40

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Solution

The fourth proportional to 2,600,342.40, 3,900,513.60 and 2,180,438.40 is: 3,270,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,342.40 : 3,900,513.60 = 2,180,438.40 : x
  2. Step 2: Convert to fraction form
    2,600,342.40/3,900,513.60 = 2,180,438.40/x
  3. Step 3: Cross multiply
    2,600,342.40x = 3,900,513.60 × 2,180,438.40
  4. Step 4: Simplify right side
    2,600,342.40x = 8,504,829,633,162.24
  5. Step 5: Solve for x
    x = 8,504,829,633,162.24/2,600,342.40
  6. Step 6: Final answer
    x = 3,270,657.60

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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.