Home / 2,085,333.60-3,128,000.40-1,284,016.80

Finding the Fourth Proportional to 2,085,333.60, 3,128,000.40 and 1,284,016.80

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Solution

The fourth proportional to 2,085,333.60, 3,128,000.40 and 1,284,016.80 is: 1,926,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,333.60 : 3,128,000.40 = 1,284,016.80 : x
  2. Step 2: Convert to fraction form
    2,085,333.60/3,128,000.40 = 1,284,016.80/x
  3. Step 3: Cross multiply
    2,085,333.60x = 3,128,000.40 × 1,284,016.80
  4. Step 4: Simplify right side
    2,085,333.60x = 4,016,405,064,006.72
  5. Step 5: Solve for x
    x = 4,016,405,064,006.72/2,085,333.60
  6. Step 6: Final answer
    x = 1,926,025.20

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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.