Home / 2,340,211.20-3,510,316.80-1,985,917.20

Finding the Fourth Proportional to 2,340,211.20, 3,510,316.80 and 1,985,917.20

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Solution

The fourth proportional to 2,340,211.20, 3,510,316.80 and 1,985,917.20 is: 2,978,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,211.20 : 3,510,316.80 = 1,985,917.20 : x
  2. Step 2: Convert to fraction form
    2,340,211.20/3,510,316.80 = 1,985,917.20/x
  3. Step 3: Cross multiply
    2,340,211.20x = 3,510,316.80 × 1,985,917.20
  4. Step 4: Simplify right side
    2,340,211.20x = 6,971,198,510,568.96
  5. Step 5: Solve for x
    x = 6,971,198,510,568.96/2,340,211.20
  6. Step 6: Final answer
    x = 2,978,875.80

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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.