Home / 3,105,149.16-4,284,245.34-1,864,437.24

Finding the Fourth Proportional to 3,105,149.16, 4,284,245.34 and 1,864,437.24

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Solution

The fourth proportional to 3,105,149.16, 4,284,245.34 and 1,864,437.24 is: 2,572,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,149.16 : 4,284,245.34 = 1,864,437.24 : x
  2. Step 2: Convert to fraction form
    3,105,149.16/4,284,245.34 = 1,864,437.24/x
  3. Step 3: Cross multiply
    3,105,149.16x = 4,284,245.34 × 1,864,437.24
  4. Step 4: Simplify right side
    3,105,149.16x = 7,987,706,557,192.46
  5. Step 5: Solve for x
    x = 7,987,706,557,192.46/3,105,149.16
  6. Step 6: Final answer
    x = 2,572,406.72

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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.