Home / 2,085,404.40-3,128,106.60-1,022,522.40

Finding the Fourth Proportional to 2,085,404.40, 3,128,106.60 and 1,022,522.40

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Solution

The fourth proportional to 2,085,404.40, 3,128,106.60 and 1,022,522.40 is: 1,533,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,404.40 : 3,128,106.60 = 1,022,522.40 : x
  2. Step 2: Convert to fraction form
    2,085,404.40/3,128,106.60 = 1,022,522.40/x
  3. Step 3: Cross multiply
    2,085,404.40x = 3,128,106.60 × 1,022,522.40
  4. Step 4: Simplify right side
    2,085,404.40x = 3,198,559,068,087.84
  5. Step 5: Solve for x
    x = 3,198,559,068,087.84/2,085,404.40
  6. Step 6: Final answer
    x = 1,533,783.60

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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.