Home / 2,183,411.20-3,275,116.80-2,091,265.60

Finding the Fourth Proportional to 2,183,411.20, 3,275,116.80 and 2,091,265.60

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Solution

The fourth proportional to 2,183,411.20, 3,275,116.80 and 2,091,265.60 is: 3,136,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,411.20 : 3,275,116.80 = 2,091,265.60 : x
  2. Step 2: Convert to fraction form
    2,183,411.20/3,275,116.80 = 2,091,265.60/x
  3. Step 3: Cross multiply
    2,183,411.20x = 3,275,116.80 × 2,091,265.60
  4. Step 4: Simplify right side
    2,183,411.20x = 6,849,139,099,822.08
  5. Step 5: Solve for x
    x = 6,849,139,099,822.08/2,183,411.20
  6. Step 6: Final answer
    x = 3,136,898.40

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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.