Home / 3,142,797.55-4,337,089.23-1,902,436.40

Finding the Fourth Proportional to 3,142,797.55, 4,337,089.23 and 1,902,436.40

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Solution

The fourth proportional to 3,142,797.55, 4,337,089.23 and 1,902,436.40 is: 2,625,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,797.55 : 4,337,089.23 = 1,902,436.40 : x
  2. Step 2: Convert to fraction form
    3,142,797.55/4,337,089.23 = 1,902,436.40/x
  3. Step 3: Cross multiply
    3,142,797.55x = 4,337,089.23 × 1,902,436.40
  4. Step 4: Simplify right side
    3,142,797.55x = 8,251,036,422,912.75
  5. Step 5: Solve for x
    x = 8,251,036,422,912.75/3,142,797.55
  6. Step 6: Final answer
    x = 2,625,379.55

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1.5x scale

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.