Home / 1,806,003.10-2,709,004.65-1,640,665.90

Finding the Fourth Proportional to 1,806,003.10, 2,709,004.65 and 1,640,665.90

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Solution

The fourth proportional to 1,806,003.10, 2,709,004.65 and 1,640,665.90 is: 2,460,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,003.10 : 2,709,004.65 = 1,640,665.90 : x
  2. Step 2: Convert to fraction form
    1,806,003.10/2,709,004.65 = 1,640,665.90/x
  3. Step 3: Cross multiply
    1,806,003.10x = 2,709,004.65 × 1,640,665.90
  4. Step 4: Simplify right side
    1,806,003.10x = 4,444,571,552,196.43
  5. Step 5: Solve for x
    x = 4,444,571,552,196.43/1,806,003.10
  6. Step 6: Final answer
    x = 2,460,998.85

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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.