Home / 2,088,634.61-3,132,995.65-668,686.59

Finding the Fourth Proportional to 2,088,634.61, 3,132,995.65 and 668,686.59

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Solution

The fourth proportional to 2,088,634.61, 3,132,995.65 and 668,686.59 is: 1,003,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,634.61 : 3,132,995.65 = 668,686.59 : x
  2. Step 2: Convert to fraction form
    2,088,634.61/3,132,995.65 = 668,686.59/x
  3. Step 3: Cross multiply
    2,088,634.61x = 3,132,995.65 × 668,686.59
  4. Step 4: Simplify right side
    2,088,634.61x = 2,094,992,176,011.62
  5. Step 5: Solve for x
    x = 2,094,992,176,011.62/2,088,634.61
  6. Step 6: Final answer
    x = 1,003,043.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.