Home / 5,281,933.55-7,921,436.92-1,869,770.68

Finding the Fourth Proportional to 5,281,933.55, 7,921,436.92 and 1,869,770.68

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Solution

The fourth proportional to 5,281,933.55, 7,921,436.92 and 1,869,770.68 is: 2,804,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,933.55 : 7,921,436.92 = 1,869,770.68 : x
  2. Step 2: Convert to fraction form
    5,281,933.55/7,921,436.92 = 1,869,770.68/x
  3. Step 3: Cross multiply
    5,281,933.55x = 7,921,436.92 × 1,869,770.68
  4. Step 4: Simplify right side
    5,281,933.55x = 14,811,270,472,007.49
  5. Step 5: Solve for x
    x = 14,811,270,472,007.49/5,281,933.55
  6. Step 6: Final answer
    x = 2,804,137.98

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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.