Home / 2,878,523.57-3,970,697.27-1,859,928.32

Finding the Fourth Proportional to 2,878,523.57, 3,970,697.27 and 1,859,928.32

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Solution

The fourth proportional to 2,878,523.57, 3,970,697.27 and 1,859,928.32 is: 2,565,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,523.57 : 3,970,697.27 = 1,859,928.32 : x
  2. Step 2: Convert to fraction form
    2,878,523.57/3,970,697.27 = 1,859,928.32/x
  3. Step 3: Cross multiply
    2,878,523.57x = 3,970,697.27 × 1,859,928.32
  4. Step 4: Simplify right side
    2,878,523.57x = 7,385,212,278,116.38
  5. Step 5: Solve for x
    x = 7,385,212,278,116.38/2,878,523.57
  6. Step 6: Final answer
    x = 2,565,625.09

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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.