Home / 1,898,673.06-2,620,542.32-1,438,985.82

Finding the Fourth Proportional to 1,898,673.06, 2,620,542.32 and 1,438,985.82

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Solution

The fourth proportional to 1,898,673.06, 2,620,542.32 and 1,438,985.82 is: 1,986,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,673.06 : 2,620,542.32 = 1,438,985.82 : x
  2. Step 2: Convert to fraction form
    1,898,673.06/2,620,542.32 = 1,438,985.82/x
  3. Step 3: Cross multiply
    1,898,673.06x = 2,620,542.32 × 1,438,985.82
  4. Step 4: Simplify right side
    1,898,673.06x = 3,770,923,231,994.97
  5. Step 5: Solve for x
    x = 3,770,923,231,994.97/1,898,673.06
  6. Step 6: Final answer
    x = 1,986,083.50

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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.