Home / 1,861,108.86-2,568,265.47-1,137,168.30

Finding the Fourth Proportional to 1,861,108.86, 2,568,265.47 and 1,137,168.30

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Solution

The fourth proportional to 1,861,108.86, 2,568,265.47 and 1,137,168.30 is: 1,569,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,108.86 : 2,568,265.47 = 1,137,168.30 : x
  2. Step 2: Convert to fraction form
    1,861,108.86/2,568,265.47 = 1,137,168.30/x
  3. Step 3: Cross multiply
    1,861,108.86x = 2,568,265.47 × 1,137,168.30
  4. Step 4: Simplify right side
    1,861,108.86x = 2,920,550,078,468.60
  5. Step 5: Solve for x
    x = 2,920,550,078,468.60/1,861,108.86
  6. Step 6: Final answer
    x = 1,569,252.69

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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.