Home / 2,571,823.20-3,856,276.80-974,438.40

Finding the Fourth Proportional to 2,571,823.20, 3,856,276.80 and 974,438.40

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Solution

The fourth proportional to 2,571,823.20, 3,856,276.80 and 974,438.40 is: 1,461,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,823.20 : 3,856,276.80 = 974,438.40 : x
  2. Step 2: Convert to fraction form
    2,571,823.20/3,856,276.80 = 974,438.40/x
  3. Step 3: Cross multiply
    2,571,823.20x = 3,856,276.80 × 974,438.40
  4. Step 4: Simplify right side
    2,571,823.20x = 3,757,704,194,949.12
  5. Step 5: Solve for x
    x = 3,757,704,194,949.12/2,571,823.20
  6. Step 6: Final answer
    x = 1,461,105.18

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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.