Home / 3,109,200.18-4,663,800.27-1,214,613.06

Finding the Fourth Proportional to 3,109,200.18, 4,663,800.27 and 1,214,613.06

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Solution

The fourth proportional to 3,109,200.18, 4,663,800.27 and 1,214,613.06 is: 1,821,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,200.18 : 4,663,800.27 = 1,214,613.06 : x
  2. Step 2: Convert to fraction form
    3,109,200.18/4,663,800.27 = 1,214,613.06/x
  3. Step 3: Cross multiply
    3,109,200.18x = 4,663,800.27 × 1,214,613.06
  4. Step 4: Simplify right side
    3,109,200.18x = 5,664,712,717,173.53
  5. Step 5: Solve for x
    x = 5,664,712,717,173.53/3,109,200.18
  6. Step 6: Final answer
    x = 1,821,919.59

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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.