Home / 2,878,536.62-3,970,715.24-1,859,941.37

Finding the Fourth Proportional to 2,878,536.62, 3,970,715.24 and 1,859,941.37

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Solution

The fourth proportional to 2,878,536.62, 3,970,715.24 and 1,859,941.37 is: 2,565,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,536.62 : 3,970,715.24 = 1,859,941.37 : x
  2. Step 2: Convert to fraction form
    2,878,536.62/3,970,715.24 = 1,859,941.37/x
  3. Step 3: Cross multiply
    2,878,536.62x = 3,970,715.24 × 1,859,941.37
  4. Step 4: Simplify right side
    2,878,536.62x = 7,385,297,557,942.12
  5. Step 5: Solve for x
    x = 7,385,297,557,942.12/2,878,536.62
  6. Step 6: Final answer
    x = 2,565,643.08

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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.