Home / 5,134,423.33-7,085,478.21-2,811,273.64

Finding the Fourth Proportional to 5,134,423.33, 7,085,478.21 and 2,811,273.64

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Solution

The fourth proportional to 5,134,423.33, 7,085,478.21 and 2,811,273.64 is: 3,879,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,423.33 : 7,085,478.21 = 2,811,273.64 : x
  2. Step 2: Convert to fraction form
    5,134,423.33/7,085,478.21 = 2,811,273.64/x
  3. Step 3: Cross multiply
    5,134,423.33x = 7,085,478.21 × 2,811,273.64
  4. Step 4: Simplify right side
    5,134,423.33x = 19,919,218,118,567.39
  5. Step 5: Solve for x
    x = 19,919,218,118,567.39/5,134,423.33
  6. Step 6: Final answer
    x = 3,879,543.40

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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.