Home / 2,693,808.40-4,040,712.60-1,985,220.40

Finding the Fourth Proportional to 2,693,808.40, 4,040,712.60 and 1,985,220.40

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Solution

The fourth proportional to 2,693,808.40, 4,040,712.60 and 1,985,220.40 is: 2,977,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693,808.40 : 4,040,712.60 = 1,985,220.40 : x
  2. Step 2: Convert to fraction form
    2,693,808.40/4,040,712.60 = 1,985,220.40/x
  3. Step 3: Cross multiply
    2,693,808.40x = 4,040,712.60 × 1,985,220.40
  4. Step 4: Simplify right side
    2,693,808.40x = 8,021,705,084,057.04
  5. Step 5: Solve for x
    x = 8,021,705,084,057.04/2,693,808.40
  6. Step 6: Final answer
    x = 2,977,830.60

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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.