Home / 1,957,276.32-2,701,063.98-1,086,128.88

Finding the Fourth Proportional to 1,957,276.32, 2,701,063.98 and 1,086,128.88

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Solution

The fourth proportional to 1,957,276.32, 2,701,063.98 and 1,086,128.88 is: 1,498,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,276.32 : 2,701,063.98 = 1,086,128.88 : x
  2. Step 2: Convert to fraction form
    1,957,276.32/2,701,063.98 = 1,086,128.88/x
  3. Step 3: Cross multiply
    1,957,276.32x = 2,701,063.98 × 1,086,128.88
  4. Step 4: Simplify right side
    1,957,276.32x = 2,933,703,595,405.74
  5. Step 5: Solve for x
    x = 2,933,703,595,405.74/1,957,276.32
  6. Step 6: Final answer
    x = 1,498,870.43

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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.