Home / 2,810,765.42-3,878,857.58-1,521,605.82

Finding the Fourth Proportional to 2,810,765.42, 3,878,857.58 and 1,521,605.82

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Solution

The fourth proportional to 2,810,765.42, 3,878,857.58 and 1,521,605.82 is: 2,099,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,765.42 : 3,878,857.58 = 1,521,605.82 : x
  2. Step 2: Convert to fraction form
    2,810,765.42/3,878,857.58 = 1,521,605.82/x
  3. Step 3: Cross multiply
    2,810,765.42x = 3,878,857.58 × 1,521,605.82
  4. Step 4: Simplify right side
    2,810,765.42x = 5,902,092,272,483.13
  5. Step 5: Solve for x
    x = 5,902,092,272,483.13/2,810,765.42
  6. Step 6: Final answer
    x = 2,099,816.74

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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.