Home / 1,923,655.40-2,654,413.62-1,108,125.80

Finding the Fourth Proportional to 1,923,655.40, 2,654,413.62 and 1,108,125.80

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Solution

The fourth proportional to 1,923,655.40, 2,654,413.62 and 1,108,125.80 is: 1,529,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,655.40 : 2,654,413.62 = 1,108,125.80 : x
  2. Step 2: Convert to fraction form
    1,923,655.40/2,654,413.62 = 1,108,125.80/x
  3. Step 3: Cross multiply
    1,923,655.40x = 2,654,413.62 × 1,108,125.80
  4. Step 4: Simplify right side
    1,923,655.40x = 2,941,424,216,193.40
  5. Step 5: Solve for x
    x = 2,941,424,216,193.40/1,923,655.40
  6. Step 6: Final answer
    x = 1,529,080.63

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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.