Home / 3,723,675.12-5,138,890.32-2,804,281.20

Finding the Fourth Proportional to 3,723,675.12, 5,138,890.32 and 2,804,281.20

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Solution

The fourth proportional to 3,723,675.12, 5,138,890.32 and 2,804,281.20 is: 3,870,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723,675.12 : 5,138,890.32 = 2,804,281.20 : x
  2. Step 2: Convert to fraction form
    3,723,675.12/5,138,890.32 = 2,804,281.20/x
  3. Step 3: Cross multiply
    3,723,675.12x = 5,138,890.32 × 2,804,281.20
  4. Step 4: Simplify right side
    3,723,675.12x = 14,410,893,513,237.99
  5. Step 5: Solve for x
    x = 14,410,893,513,237.99/3,723,675.12
  6. Step 6: Final answer
    x = 3,870,072.72

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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.