Home / 4,684,679.89-7,027,136.47-1,318,864.21

Finding the Fourth Proportional to 4,684,679.89, 7,027,136.47 and 1,318,864.21

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Solution

The fourth proportional to 4,684,679.89, 7,027,136.47 and 1,318,864.21 is: 1,978,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684,679.89 : 7,027,136.47 = 1,318,864.21 : x
  2. Step 2: Convert to fraction form
    4,684,679.89/7,027,136.47 = 1,318,864.21/x
  3. Step 3: Cross multiply
    4,684,679.89x = 7,027,136.47 × 1,318,864.21
  4. Step 4: Simplify right side
    4,684,679.89x = 9,267,838,773,149.48
  5. Step 5: Solve for x
    x = 9,267,838,773,149.48/4,684,679.89
  6. Step 6: Final answer
    x = 1,978,329.15

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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.