Home / 2,183,612.68-3,013,355.01-1,216,783.72

Finding the Fourth Proportional to 2,183,612.68, 3,013,355.01 and 1,216,783.72

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Solution

The fourth proportional to 2,183,612.68, 3,013,355.01 and 1,216,783.72 is: 1,679,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,612.68 : 3,013,355.01 = 1,216,783.72 : x
  2. Step 2: Convert to fraction form
    2,183,612.68/3,013,355.01 = 1,216,783.72/x
  3. Step 3: Cross multiply
    2,183,612.68x = 3,013,355.01 × 1,216,783.72
  4. Step 4: Simplify right side
    2,183,612.68x = 3,666,601,318,748.44
  5. Step 5: Solve for x
    x = 3,666,601,318,748.44/2,183,612.68
  6. Step 6: Final answer
    x = 1,679,144.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.