Home / 6,143,999.60-9,215,999.40-2,155,314.80

Finding the Fourth Proportional to 6,143,999.60, 9,215,999.40 and 2,155,314.80

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Solution

The fourth proportional to 6,143,999.60, 9,215,999.40 and 2,155,314.80 is: 3,232,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,999.60 : 9,215,999.40 = 2,155,314.80 : x
  2. Step 2: Convert to fraction form
    6,143,999.60/9,215,999.40 = 2,155,314.80/x
  3. Step 3: Cross multiply
    6,143,999.60x = 9,215,999.40 × 2,155,314.80
  4. Step 4: Simplify right side
    6,143,999.60x = 19,863,379,903,611.12
  5. Step 5: Solve for x
    x = 19,863,379,903,611.12/6,143,999.60
  6. Step 6: Final answer
    x = 3,232,972.20

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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.