Home / 2,810,205-4,215,318.48-680,285.64

Finding the Fourth Proportional to 2,810,205, 4,215,318.48 and 680,285.64

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Solution

The fourth proportional to 2,810,205, 4,215,318.48 and 680,285.64 is: 1,020,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,205 : 4,215,318.48 = 680,285.64 : x
  2. Step 2: Convert to fraction form
    2,810,205/4,215,318.48 = 680,285.64/x
  3. Step 3: Cross multiply
    2,810,205x = 4,215,318.48 × 680,285.64
  4. Step 4: Simplify right side
    2,810,205x = 2,867,620,629,970.63
  5. Step 5: Solve for x
    x = 2,867,620,629,970.63/2,810,205
  6. Step 6: Final answer
    x = 1,020,431.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.