Home / 5,134,656.25-7,085,798.89-2,811,506.59

Finding the Fourth Proportional to 5,134,656.25, 7,085,798.89 and 2,811,506.59

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Solution

The fourth proportional to 5,134,656.25, 7,085,798.89 and 2,811,506.59 is: 3,879,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,656.25 : 7,085,798.89 = 2,811,506.59 : x
  2. Step 2: Convert to fraction form
    5,134,656.25/7,085,798.89 = 2,811,506.59/x
  3. Step 3: Cross multiply
    5,134,656.25x = 7,085,798.89 × 2,811,506.59
  4. Step 4: Simplify right side
    5,134,656.25x = 19,921,770,274,649.68
  5. Step 5: Solve for x
    x = 19,921,770,274,649.68/5,134,656.25
  6. Step 6: Final answer
    x = 3,879,864.46

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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.