Home / 1,763,489.94-2,431,331.90-1,142,189.70

Finding the Fourth Proportional to 1,763,489.94, 2,431,331.90 and 1,142,189.70

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Solution

The fourth proportional to 1,763,489.94, 2,431,331.90 and 1,142,189.70 is: 1,574,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,489.94 : 2,431,331.90 = 1,142,189.70 : x
  2. Step 2: Convert to fraction form
    1,763,489.94/2,431,331.90 = 1,142,189.70/x
  3. Step 3: Cross multiply
    1,763,489.94x = 2,431,331.90 × 1,142,189.70
  4. Step 4: Simplify right side
    1,763,489.94x = 2,777,042,253,461.43
  5. Step 5: Solve for x
    x = 2,777,042,253,461.43/1,763,489.94
  6. Step 6: Final answer
    x = 1,574,742.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.