Home / 1,314,014.70-1,971,022.05-1,151,301.90

Finding the Fourth Proportional to 1,314,014.70, 1,971,022.05 and 1,151,301.90

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Solution

The fourth proportional to 1,314,014.70, 1,971,022.05 and 1,151,301.90 is: 1,726,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,014.70 : 1,971,022.05 = 1,151,301.90 : x
  2. Step 2: Convert to fraction form
    1,314,014.70/1,971,022.05 = 1,151,301.90/x
  3. Step 3: Cross multiply
    1,314,014.70x = 1,971,022.05 × 1,151,301.90
  4. Step 4: Simplify right side
    1,314,014.70x = 2,269,241,431,106.90
  5. Step 5: Solve for x
    x = 2,269,241,431,106.90/1,314,014.70
  6. Step 6: Final answer
    x = 1,726,952.85

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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.