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Finding the Fourth Proportional to 6,048,609.60, 9,072,914.40 and 5,432,750.40

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Solution

The fourth proportional to 6,048,609.60, 9,072,914.40 and 5,432,750.40 is: 8,149,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,048,609.60 : 9,072,914.40 = 5,432,750.40 : x
  2. Step 2: Convert to fraction form
    6,048,609.60/9,072,914.40 = 5,432,750.40/x
  3. Step 3: Cross multiply
    6,048,609.60x = 9,072,914.40 × 5,432,750.40
  4. Step 4: Simplify right side
    6,048,609.60x = 49,290,879,335,765.77
  5. Step 5: Solve for x
    x = 49,290,879,335,765.77/6,048,609.60
  6. Step 6: Final answer
    x = 8,149,125.60

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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.