Home / 1,869,140.10-2,805,022.35-804,945.90

Finding the Fourth Proportional to 1,869,140.10, 2,805,022.35 and 804,945.90

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Solution

The fourth proportional to 1,869,140.10, 2,805,022.35 and 804,945.90 is: 1,207,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,140.10 : 2,805,022.35 = 804,945.90 : x
  2. Step 2: Convert to fraction form
    1,869,140.10/2,805,022.35 = 804,945.90/x
  3. Step 3: Cross multiply
    1,869,140.10x = 2,805,022.35 × 804,945.90
  4. Step 4: Simplify right side
    1,869,140.10x = 2,257,891,240,040.87
  5. Step 5: Solve for x
    x = 2,257,891,240,040.87/1,869,140.10
  6. Step 6: Final answer
    x = 1,207,983.95

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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.