Home / 2,217,618.90-3,326,428.35-1,993,670.10

Finding the Fourth Proportional to 2,217,618.90, 3,326,428.35 and 1,993,670.10

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Solution

The fourth proportional to 2,217,618.90, 3,326,428.35 and 1,993,670.10 is: 2,990,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,618.90 : 3,326,428.35 = 1,993,670.10 : x
  2. Step 2: Convert to fraction form
    2,217,618.90/3,326,428.35 = 1,993,670.10/x
  3. Step 3: Cross multiply
    2,217,618.90x = 3,326,428.35 × 1,993,670.10
  4. Step 4: Simplify right side
    2,217,618.90x = 6,631,800,741,187.34
  5. Step 5: Solve for x
    x = 6,631,800,741,187.34/2,217,618.90
  6. Step 6: Final answer
    x = 2,990,505.15

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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.