Home / 5,390,770.46-7,439,206.82-2,943,373.92

Finding the Fourth Proportional to 5,390,770.46, 7,439,206.82 and 2,943,373.92

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Solution

The fourth proportional to 5,390,770.46, 7,439,206.82 and 2,943,373.92 is: 4,061,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,770.46 : 7,439,206.82 = 2,943,373.92 : x
  2. Step 2: Convert to fraction form
    5,390,770.46/7,439,206.82 = 2,943,373.92/x
  3. Step 3: Cross multiply
    5,390,770.46x = 7,439,206.82 × 2,943,373.92
  4. Step 4: Simplify right side
    5,390,770.46x = 21,896,367,339,474.13
  5. Step 5: Solve for x
    x = 21,896,367,339,474.13/5,390,770.46
  6. Step 6: Final answer
    x = 4,061,825.21

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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.