Home / 2,883,176.18-3,979,613.32-1,903,830.20

Finding the Fourth Proportional to 2,883,176.18, 3,979,613.32 and 1,903,830.20

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Solution

The fourth proportional to 2,883,176.18, 3,979,613.32 and 1,903,830.20 is: 2,627,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883,176.18 : 3,979,613.32 = 1,903,830.20 : x
  2. Step 2: Convert to fraction form
    2,883,176.18/3,979,613.32 = 1,903,830.20/x
  3. Step 3: Cross multiply
    2,883,176.18x = 3,979,613.32 × 1,903,830.20
  4. Step 4: Simplify right side
    2,883,176.18x = 7,576,507,998,280.62
  5. Step 5: Solve for x
    x = 7,576,507,998,280.62/2,883,176.18
  6. Step 6: Final answer
    x = 2,627,833.87

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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.