Home / 1,904,851.28-2,628,610.44-1,045,413.20

Finding the Fourth Proportional to 1,904,851.28, 2,628,610.44 and 1,045,413.20

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Solution

The fourth proportional to 1,904,851.28, 2,628,610.44 and 1,045,413.20 is: 1,442,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,851.28 : 2,628,610.44 = 1,045,413.20 : x
  2. Step 2: Convert to fraction form
    1,904,851.28/2,628,610.44 = 1,045,413.20/x
  3. Step 3: Cross multiply
    1,904,851.28x = 2,628,610.44 × 1,045,413.20
  4. Step 4: Simplify right side
    1,904,851.28x = 2,747,984,051,633.81
  5. Step 5: Solve for x
    x = 2,747,984,051,633.81/1,904,851.28
  6. Step 6: Final answer
    x = 1,442,623.94

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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.