Home / 2,171,482.98-2,996,511.21-1,311,535.14

Finding the Fourth Proportional to 2,171,482.98, 2,996,511.21 and 1,311,535.14

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Solution

The fourth proportional to 2,171,482.98, 2,996,511.21 and 1,311,535.14 is: 1,809,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,482.98 : 2,996,511.21 = 1,311,535.14 : x
  2. Step 2: Convert to fraction form
    2,171,482.98/2,996,511.21 = 1,311,535.14/x
  3. Step 3: Cross multiply
    2,171,482.98x = 2,996,511.21 × 1,311,535.14
  4. Step 4: Simplify right side
    2,171,482.98x = 3,930,029,749,318.92
  5. Step 5: Solve for x
    x = 3,930,029,749,318.92/2,171,482.98
  6. Step 6: Final answer
    x = 1,809,836.77

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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.