Home / 5,090,812.80-7,636,219.20-4,894,857.60

Finding the Fourth Proportional to 5,090,812.80, 7,636,219.20 and 4,894,857.60

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Solution

The fourth proportional to 5,090,812.80, 7,636,219.20 and 4,894,857.60 is: 7,342,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,812.80 : 7,636,219.20 = 4,894,857.60 : x
  2. Step 2: Convert to fraction form
    5,090,812.80/7,636,219.20 = 4,894,857.60/x
  3. Step 3: Cross multiply
    5,090,812.80x = 7,636,219.20 × 4,894,857.60
  4. Step 4: Simplify right side
    5,090,812.80x = 37,378,205,586,385.92
  5. Step 5: Solve for x
    x = 37,378,205,586,385.92/5,090,812.80
  6. Step 6: Final answer
    x = 7,342,286.40

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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.