Home / 1,836,014.70-2,754,022.05-1,388,117.10

Finding the Fourth Proportional to 1,836,014.70, 2,754,022.05 and 1,388,117.10

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Solution

The fourth proportional to 1,836,014.70, 2,754,022.05 and 1,388,117.10 is: 2,082,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,014.70 : 2,754,022.05 = 1,388,117.10 : x
  2. Step 2: Convert to fraction form
    1,836,014.70/2,754,022.05 = 1,388,117.10/x
  3. Step 3: Cross multiply
    1,836,014.70x = 2,754,022.05 × 1,388,117.10
  4. Step 4: Simplify right side
    1,836,014.70x = 3,822,905,101,382.06
  5. Step 5: Solve for x
    x = 3,822,905,101,382.06/1,836,014.70
  6. Step 6: Final answer
    x = 2,082,175.65

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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.