Home / 4,887,856.20-7,331,784.30-4,813,206.60

Finding the Fourth Proportional to 4,887,856.20, 7,331,784.30 and 4,813,206.60

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Solution

The fourth proportional to 4,887,856.20, 7,331,784.30 and 4,813,206.60 is: 7,219,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887,856.20 : 7,331,784.30 = 4,813,206.60 : x
  2. Step 2: Convert to fraction form
    4,887,856.20/7,331,784.30 = 4,813,206.60/x
  3. Step 3: Cross multiply
    4,887,856.20x = 7,331,784.30 × 4,813,206.60
  4. Step 4: Simplify right side
    4,887,856.20x = 35,289,392,582,536.38
  5. Step 5: Solve for x
    x = 35,289,392,582,536.38/4,887,856.20
  6. Step 6: Final answer
    x = 7,219,809.90

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Similar ratio
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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.