Home / 2,010,178.75-2,774,693.15-1,286,974.30

Finding the Fourth Proportional to 2,010,178.75, 2,774,693.15 and 1,286,974.30

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Solution

The fourth proportional to 2,010,178.75, 2,774,693.15 and 1,286,974.30 is: 1,776,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,178.75 : 2,774,693.15 = 1,286,974.30 : x
  2. Step 2: Convert to fraction form
    2,010,178.75/2,774,693.15 = 1,286,974.30/x
  3. Step 3: Cross multiply
    2,010,178.75x = 2,774,693.15 × 1,286,974.30
  4. Step 4: Simplify right side
    2,010,178.75x = 3,570,958,774,436.05
  5. Step 5: Solve for x
    x = 3,570,958,774,436.05/2,010,178.75
  6. Step 6: Final answer
    x = 1,776,438.43

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1.5x scale

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.