Home / 2,712,021.70-4,068,032.55-2,082,165.70

Finding the Fourth Proportional to 2,712,021.70, 4,068,032.55 and 2,082,165.70

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Solution

The fourth proportional to 2,712,021.70, 4,068,032.55 and 2,082,165.70 is: 3,123,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,021.70 : 4,068,032.55 = 2,082,165.70 : x
  2. Step 2: Convert to fraction form
    2,712,021.70/4,068,032.55 = 2,082,165.70/x
  3. Step 3: Cross multiply
    2,712,021.70x = 4,068,032.55 × 2,082,165.70
  4. Step 4: Simplify right side
    2,712,021.70x = 8,470,317,842,093.53
  5. Step 5: Solve for x
    x = 8,470,317,842,093.53/2,712,021.70
  6. Step 6: Final answer
    x = 3,123,248.55

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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.