Home / 1,986,190.48-2,975,526.78-1,174,143.70

Finding the Fourth Proportional to 1,986,190.48, 2,975,526.78 and 1,174,143.70

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Solution

The fourth proportional to 1,986,190.48, 2,975,526.78 and 1,174,143.70 is: 1,758,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,190.48 : 2,975,526.78 = 1,174,143.70 : x
  2. Step 2: Convert to fraction form
    1,986,190.48/2,975,526.78 = 1,174,143.70/x
  3. Step 3: Cross multiply
    1,986,190.48x = 2,975,526.78 × 1,174,143.70
  4. Step 4: Simplify right side
    1,986,190.48x = 3,493,696,022,918.29
  5. Step 5: Solve for x
    x = 3,493,696,022,918.29/1,986,190.48
  6. Step 6: Final answer
    x = 1,758,993.44

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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.