Home / 5,986,205.20-8,979,307.80-3,460,560.40

Finding the Fourth Proportional to 5,986,205.20, 8,979,307.80 and 3,460,560.40

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Solution

The fourth proportional to 5,986,205.20, 8,979,307.80 and 3,460,560.40 is: 5,190,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986,205.20 : 8,979,307.80 = 3,460,560.40 : x
  2. Step 2: Convert to fraction form
    5,986,205.20/8,979,307.80 = 3,460,560.40/x
  3. Step 3: Cross multiply
    5,986,205.20x = 8,979,307.80 × 3,460,560.40
  4. Step 4: Simplify right side
    5,986,205.20x = 31,073,436,992,091.12
  5. Step 5: Solve for x
    x = 31,073,436,992,091.12/5,986,205.20
  6. Step 6: Final answer
    x = 5,190,840.60

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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.