Home / 3,920,665.60-5,880,998.40-3,290,809.60

Finding the Fourth Proportional to 3,920,665.60, 5,880,998.40 and 3,290,809.60

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Solution

The fourth proportional to 3,920,665.60, 5,880,998.40 and 3,290,809.60 is: 4,936,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,665.60 : 5,880,998.40 = 3,290,809.60 : x
  2. Step 2: Convert to fraction form
    3,920,665.60/5,880,998.40 = 3,290,809.60/x
  3. Step 3: Cross multiply
    3,920,665.60x = 5,880,998.40 × 3,290,809.60
  4. Step 4: Simplify right side
    3,920,665.60x = 19,353,245,992,304.64
  5. Step 5: Solve for x
    x = 19,353,245,992,304.64/3,920,665.60
  6. Step 6: Final answer
    x = 4,936,214.40

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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.