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Finding the Fourth Proportional to 2,691,630.02, 3,713,810.91 and 1,529,984.87

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Solution

The fourth proportional to 2,691,630.02, 3,713,810.91 and 1,529,984.87 is: 2,111,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,630.02 : 3,713,810.91 = 1,529,984.87 : x
  2. Step 2: Convert to fraction form
    2,691,630.02/3,713,810.91 = 1,529,984.87/x
  3. Step 3: Cross multiply
    2,691,630.02x = 3,713,810.91 × 1,529,984.87
  4. Step 4: Simplify right side
    2,691,630.02x = 5,682,074,502,340.93
  5. Step 5: Solve for x
    x = 5,682,074,502,340.93/2,691,630.02
  6. Step 6: Final answer
    x = 2,111,016.17

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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.