Home / 1,876,275.64-2,589,538.32-1,188,011.48

Finding the Fourth Proportional to 1,876,275.64, 2,589,538.32 and 1,188,011.48

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Solution

The fourth proportional to 1,876,275.64, 2,589,538.32 and 1,188,011.48 is: 1,639,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,275.64 : 2,589,538.32 = 1,188,011.48 : x
  2. Step 2: Convert to fraction form
    1,876,275.64/2,589,538.32 = 1,188,011.48/x
  3. Step 3: Cross multiply
    1,876,275.64x = 2,589,538.32 × 1,188,011.48
  4. Step 4: Simplify right side
    1,876,275.64x = 3,076,401,252,059.91
  5. Step 5: Solve for x
    x = 3,076,401,252,059.91/1,876,275.64
  6. Step 6: Final answer
    x = 1,639,631.83

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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.