Home / 2,996,489.50-4,135,155.52-1,638,362.50

Finding the Fourth Proportional to 2,996,489.50, 4,135,155.52 and 1,638,362.50

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Solution

The fourth proportional to 2,996,489.50, 4,135,155.52 and 1,638,362.50 is: 2,260,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,489.50 : 4,135,155.52 = 1,638,362.50 : x
  2. Step 2: Convert to fraction form
    2,996,489.50/4,135,155.52 = 1,638,362.50/x
  3. Step 3: Cross multiply
    2,996,489.50x = 4,135,155.52 × 1,638,362.50
  4. Step 4: Simplify right side
    2,996,489.50x = 6,774,883,735,636
  5. Step 5: Solve for x
    x = 6,774,883,735,636/2,996,489.50
  6. Step 6: Final answer
    x = 2,260,940.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.