Home / 4,825,915.20-7,241,497.20-1,986,314.40

Finding the Fourth Proportional to 4,825,915.20, 7,241,497.20 and 1,986,314.40

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Solution

The fourth proportional to 4,825,915.20, 7,241,497.20 and 1,986,314.40 is: 2,980,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825,915.20 : 7,241,497.20 = 1,986,314.40 : x
  2. Step 2: Convert to fraction form
    4,825,915.20/7,241,497.20 = 1,986,314.40/x
  3. Step 3: Cross multiply
    4,825,915.20x = 7,241,497.20 × 1,986,314.40
  4. Step 4: Simplify right side
    4,825,915.20x = 14,383,890,165,919.68
  5. Step 5: Solve for x
    x = 14,383,890,165,919.68/4,825,915.20
  6. Step 6: Final answer
    x = 2,980,551.79

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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.