Home / 2,800,353.20-4,202,603.40-1,853,409.20

Finding the Fourth Proportional to 2,800,353.20, 4,202,603.40 and 1,853,409.20

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Solution

The fourth proportional to 2,800,353.20, 4,202,603.40 and 1,853,409.20 is: 2,781,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,353.20 : 4,202,603.40 = 1,853,409.20 : x
  2. Step 2: Convert to fraction form
    2,800,353.20/4,202,603.40 = 1,853,409.20/x
  3. Step 3: Cross multiply
    2,800,353.20x = 4,202,603.40 × 1,853,409.20
  4. Step 4: Simplify right side
    2,800,353.20x = 7,789,143,805,511.28
  5. Step 5: Solve for x
    x = 7,789,143,805,511.28/2,800,353.20
  6. Step 6: Final answer
    x = 2,781,486.21

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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.