Home / 4,989,780.30-7,484,670.45-3,100,212.30

Finding the Fourth Proportional to 4,989,780.30, 7,484,670.45 and 3,100,212.30

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Solution

The fourth proportional to 4,989,780.30, 7,484,670.45 and 3,100,212.30 is: 4,650,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,780.30 : 7,484,670.45 = 3,100,212.30 : x
  2. Step 2: Convert to fraction form
    4,989,780.30/7,484,670.45 = 3,100,212.30/x
  3. Step 3: Cross multiply
    4,989,780.30x = 7,484,670.45 × 3,100,212.30
  4. Step 4: Simplify right side
    4,989,780.30x = 23,204,067,390,536.54
  5. Step 5: Solve for x
    x = 23,204,067,390,536.54/4,989,780.30
  6. Step 6: Final answer
    x = 4,650,318.45

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Double scale
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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.