Home / 5,258,049.20-7,887,073.80-2,990,567.60

Finding the Fourth Proportional to 5,258,049.20, 7,887,073.80 and 2,990,567.60

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Solution

The fourth proportional to 5,258,049.20, 7,887,073.80 and 2,990,567.60 is: 4,485,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258,049.20 : 7,887,073.80 = 2,990,567.60 : x
  2. Step 2: Convert to fraction form
    5,258,049.20/7,887,073.80 = 2,990,567.60/x
  3. Step 3: Cross multiply
    5,258,049.20x = 7,887,073.80 × 2,990,567.60
  4. Step 4: Simplify right side
    5,258,049.20x = 23,586,827,365,088.88
  5. Step 5: Solve for x
    x = 23,586,827,365,088.88/5,258,049.20
  6. Step 6: Final answer
    x = 4,485,851.40

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1.5x scale

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.