Home / 5,015,205.54-6,921,064.08-2,839,690.53

Finding the Fourth Proportional to 5,015,205.54, 6,921,064.08 and 2,839,690.53

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Solution

The fourth proportional to 5,015,205.54, 6,921,064.08 and 2,839,690.53 is: 3,918,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015,205.54 : 6,921,064.08 = 2,839,690.53 : x
  2. Step 2: Convert to fraction form
    5,015,205.54/6,921,064.08 = 2,839,690.53/x
  3. Step 3: Cross multiply
    5,015,205.54x = 6,921,064.08 × 2,839,690.53
  4. Step 4: Simplify right side
    5,015,205.54x = 19,653,680,125,499.16
  5. Step 5: Solve for x
    x = 19,653,680,125,499.16/5,015,205.54
  6. Step 6: Final answer
    x = 3,918,818.47

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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.