Home / 3,885,271.20-5,827,906.80-2,390,205.60

Finding the Fourth Proportional to 3,885,271.20, 5,827,906.80 and 2,390,205.60

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Solution

The fourth proportional to 3,885,271.20, 5,827,906.80 and 2,390,205.60 is: 3,585,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,271.20 : 5,827,906.80 = 2,390,205.60 : x
  2. Step 2: Convert to fraction form
    3,885,271.20/5,827,906.80 = 2,390,205.60/x
  3. Step 3: Cross multiply
    3,885,271.20x = 5,827,906.80 × 2,390,205.60
  4. Step 4: Simplify right side
    3,885,271.20x = 13,929,895,469,638.08
  5. Step 5: Solve for x
    x = 13,929,895,469,638.08/3,885,271.20
  6. Step 6: Final answer
    x = 3,585,308.40

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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.