Home / 6,418,557.21-9,628,278.84-1,869,643.83

Finding the Fourth Proportional to 6,418,557.21, 9,628,278.84 and 1,869,643.83

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Solution

The fourth proportional to 6,418,557.21, 9,628,278.84 and 1,869,643.83 is: 2,804,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,557.21 : 9,628,278.84 = 1,869,643.83 : x
  2. Step 2: Convert to fraction form
    6,418,557.21/9,628,278.84 = 1,869,643.83/x
  3. Step 3: Cross multiply
    6,418,557.21x = 9,628,278.84 × 1,869,643.83
  4. Step 4: Simplify right side
    6,418,557.21x = 18,001,452,126,725.56
  5. Step 5: Solve for x
    x = 18,001,452,126,725.56/6,418,557.21
  6. Step 6: Final answer
    x = 2,804,594.79

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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.