Home / 3,557,878.67-4,909,813.02-1,926,272.79

Finding the Fourth Proportional to 3,557,878.67, 4,909,813.02 and 1,926,272.79

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Solution

The fourth proportional to 3,557,878.67, 4,909,813.02 and 1,926,272.79 is: 2,658,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,878.67 : 4,909,813.02 = 1,926,272.79 : x
  2. Step 2: Convert to fraction form
    3,557,878.67/4,909,813.02 = 1,926,272.79/x
  3. Step 3: Cross multiply
    3,557,878.67x = 4,909,813.02 × 1,926,272.79
  4. Step 4: Simplify right side
    3,557,878.67x = 9,457,639,224,413.73
  5. Step 5: Solve for x
    x = 9,457,639,224,413.73/3,557,878.67
  6. Step 6: Final answer
    x = 2,658,224.22

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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.