Home / 2,784,009.10-4,170,764.85-1,431,568.30

Finding the Fourth Proportional to 2,784,009.10, 4,170,764.85 and 1,431,568.30

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Solution

The fourth proportional to 2,784,009.10, 4,170,764.85 and 1,431,568.30 is: 2,144,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,009.10 : 4,170,764.85 = 1,431,568.30 : x
  2. Step 2: Convert to fraction form
    2,784,009.10/4,170,764.85 = 1,431,568.30/x
  3. Step 3: Cross multiply
    2,784,009.10x = 4,170,764.85 × 1,431,568.30
  4. Step 4: Simplify right side
    2,784,009.10x = 5,970,734,746,014.26
  5. Step 5: Solve for x
    x = 5,970,734,746,014.26/2,784,009.10
  6. Step 6: Final answer
    x = 2,144,653.46

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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.