Home / 2,640,567.89-3,954,030.33-1,822,431.02

Finding the Fourth Proportional to 2,640,567.89, 3,954,030.33 and 1,822,431.02

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Solution

The fourth proportional to 2,640,567.89, 3,954,030.33 and 1,822,431.02 is: 2,728,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,567.89 : 3,954,030.33 = 1,822,431.02 : x
  2. Step 2: Convert to fraction form
    2,640,567.89/3,954,030.33 = 1,822,431.02/x
  3. Step 3: Cross multiply
    2,640,567.89x = 3,954,030.33 × 1,822,431.02
  4. Step 4: Simplify right side
    2,640,567.89x = 7,205,947,527,412.84
  5. Step 5: Solve for x
    x = 7,205,947,527,412.84/2,640,567.89
  6. Step 6: Final answer
    x = 2,728,938.56

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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.