Home / 6,437,611.20-9,656,416.80-2,898,667.20

Finding the Fourth Proportional to 6,437,611.20, 9,656,416.80 and 2,898,667.20

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Solution

The fourth proportional to 6,437,611.20, 9,656,416.80 and 2,898,667.20 is: 4,348,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,611.20 : 9,656,416.80 = 2,898,667.20 : x
  2. Step 2: Convert to fraction form
    6,437,611.20/9,656,416.80 = 2,898,667.20/x
  3. Step 3: Cross multiply
    6,437,611.20x = 9,656,416.80 × 2,898,667.20
  4. Step 4: Simplify right side
    6,437,611.20x = 27,990,738,647,688.96
  5. Step 5: Solve for x
    x = 27,990,738,647,688.96/6,437,611.20
  6. Step 6: Final answer
    x = 4,348,000.80

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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.