Home / 2,167,115.16-2,983,776.30-1,908,831

Finding the Fourth Proportional to 2,167,115.16, 2,983,776.30 and 1,908,831

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Solution

The fourth proportional to 2,167,115.16, 2,983,776.30 and 1,908,831 is: 2,628,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,115.16 : 2,983,776.30 = 1,908,831 : x
  2. Step 2: Convert to fraction form
    2,167,115.16/2,983,776.30 = 1,908,831/x
  3. Step 3: Cross multiply
    2,167,115.16x = 2,983,776.30 × 1,908,831
  4. Step 4: Simplify right side
    2,167,115.16x = 5,695,524,698,505.30
  5. Step 5: Solve for x
    x = 5,695,524,698,505.30/2,167,115.16
  6. Step 6: Final answer
    x = 2,628,159.69

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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.