Home / 2,853,843.50-4,278,506.94-1,413,507.20

Finding the Fourth Proportional to 2,853,843.50, 4,278,506.94 and 1,413,507.20

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Solution

The fourth proportional to 2,853,843.50, 4,278,506.94 and 1,413,507.20 is: 2,119,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,843.50 : 4,278,506.94 = 1,413,507.20 : x
  2. Step 2: Convert to fraction form
    2,853,843.50/4,278,506.94 = 1,413,507.20/x
  3. Step 3: Cross multiply
    2,853,843.50x = 4,278,506.94 × 1,413,507.20
  4. Step 4: Simplify right side
    2,853,843.50x = 6,047,700,364,939.97
  5. Step 5: Solve for x
    x = 6,047,700,364,939.97/2,853,843.50
  6. Step 6: Final answer
    x = 2,119,142.26

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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.