Home / 5,432,848.45-8,149,272.68-3,280,512.40

Finding the Fourth Proportional to 5,432,848.45, 8,149,272.68 and 3,280,512.40

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Solution

The fourth proportional to 5,432,848.45, 8,149,272.68 and 3,280,512.40 is: 4,920,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,848.45 : 8,149,272.68 = 3,280,512.40 : x
  2. Step 2: Convert to fraction form
    5,432,848.45/8,149,272.68 = 3,280,512.40/x
  3. Step 3: Cross multiply
    5,432,848.45x = 8,149,272.68 × 3,280,512.40
  4. Step 4: Simplify right side
    5,432,848.45x = 26,733,790,077,721.23
  5. Step 5: Solve for x
    x = 26,733,790,077,721.23/5,432,848.45
  6. Step 6: Final answer
    x = 4,920,768.60

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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.