Home / 1,909,804.88-2,864,707.86-489,860.94

Finding the Fourth Proportional to 1,909,804.88, 2,864,707.86 and 489,860.94

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Solution

The fourth proportional to 1,909,804.88, 2,864,707.86 and 489,860.94 is: 734,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,804.88 : 2,864,707.86 = 489,860.94 : x
  2. Step 2: Convert to fraction form
    1,909,804.88/2,864,707.86 = 489,860.94/x
  3. Step 3: Cross multiply
    1,909,804.88x = 2,864,707.86 × 489,860.94
  4. Step 4: Simplify right side
    1,909,804.88x = 1,403,308,485,124.99
  5. Step 5: Solve for x
    x = 1,403,308,485,124.99/1,909,804.88
  6. Step 6: Final answer
    x = 734,791.55

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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.