Home / 4,258,515.20-6,387,772.80-2,821,510.40

Finding the Fourth Proportional to 4,258,515.20, 6,387,772.80 and 2,821,510.40

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Solution

The fourth proportional to 4,258,515.20, 6,387,772.80 and 2,821,510.40 is: 4,232,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,515.20 : 6,387,772.80 = 2,821,510.40 : x
  2. Step 2: Convert to fraction form
    4,258,515.20/6,387,772.80 = 2,821,510.40/x
  3. Step 3: Cross multiply
    4,258,515.20x = 6,387,772.80 × 2,821,510.40
  4. Step 4: Simplify right side
    4,258,515.20x = 18,023,167,388,037.12
  5. Step 5: Solve for x
    x = 18,023,167,388,037.12/4,258,515.20
  6. Step 6: Final answer
    x = 4,232,265.60

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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.