Home / 5,183,685.38-7,153,488.90-2,891,846.06

Finding the Fourth Proportional to 5,183,685.38, 7,153,488.90 and 2,891,846.06

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Solution

The fourth proportional to 5,183,685.38, 7,153,488.90 and 2,891,846.06 is: 3,990,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,685.38 : 7,153,488.90 = 2,891,846.06 : x
  2. Step 2: Convert to fraction form
    5,183,685.38/7,153,488.90 = 2,891,846.06/x
  3. Step 3: Cross multiply
    5,183,685.38x = 7,153,488.90 × 2,891,846.06
  4. Step 4: Simplify right side
    5,183,685.38x = 20,686,788,690,718.73
  5. Step 5: Solve for x
    x = 20,686,788,690,718.73/5,183,685.38
  6. Step 6: Final answer
    x = 3,990,749.28

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Double scale
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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.