Home / 2,019,088.82-2,780,673.09-1,974,998.90

Finding the Fourth Proportional to 2,019,088.82, 2,780,673.09 and 1,974,998.90

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Solution

The fourth proportional to 2,019,088.82, 2,780,673.09 and 1,974,998.90 is: 2,719,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,088.82 : 2,780,673.09 = 1,974,998.90 : x
  2. Step 2: Convert to fraction form
    2,019,088.82/2,780,673.09 = 1,974,998.90/x
  3. Step 3: Cross multiply
    2,019,088.82x = 2,780,673.09 × 1,974,998.90
  4. Step 4: Simplify right side
    2,019,088.82x = 5,491,826,294,009.60
  5. Step 5: Solve for x
    x = 5,491,826,294,009.60/2,019,088.82
  6. Step 6: Final answer
    x = 2,719,952.80

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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.