Home / 5,134,350.48-7,085,405.38-2,811,389.93

Finding the Fourth Proportional to 5,134,350.48, 7,085,405.38 and 2,811,389.93

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Solution

The fourth proportional to 5,134,350.48, 7,085,405.38 and 2,811,389.93 is: 3,879,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,350.48 : 7,085,405.38 = 2,811,389.93 : x
  2. Step 2: Convert to fraction form
    5,134,350.48/7,085,405.38 = 2,811,389.93/x
  3. Step 3: Cross multiply
    5,134,350.48x = 7,085,405.38 × 2,811,389.93
  4. Step 4: Simplify right side
    5,134,350.48x = 19,919,837,299,872.79
  5. Step 5: Solve for x
    x = 19,919,837,299,872.79/5,134,350.48
  6. Step 6: Final answer
    x = 3,879,719.04

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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.