Home / 2,180,711.57-3,009,314.97-1,213,817.00

Finding the Fourth Proportional to 2,180,711.57, 3,009,314.97 and 1,213,817.00

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Solution

The fourth proportional to 2,180,711.57, 3,009,314.97 and 1,213,817.00 is: 1,675,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,711.57 : 3,009,314.97 = 1,213,817.00 : x
  2. Step 2: Convert to fraction form
    2,180,711.57/3,009,314.97 = 1,213,817.00/x
  3. Step 3: Cross multiply
    2,180,711.57x = 3,009,314.97 × 1,213,817.00
  4. Step 4: Simplify right side
    2,180,711.57x = 3,652,757,653,893.92
  5. Step 5: Solve for x
    x = 3,652,757,653,893.92/2,180,711.57
  6. Step 6: Final answer
    x = 1,675,030.17

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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.