Home / 3,387,205.85-4,674,413.53-1,917,114.37

Finding the Fourth Proportional to 3,387,205.85, 4,674,413.53 and 1,917,114.37

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Solution

The fourth proportional to 3,387,205.85, 4,674,413.53 and 1,917,114.37 is: 2,645,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,205.85 : 4,674,413.53 = 1,917,114.37 : x
  2. Step 2: Convert to fraction form
    3,387,205.85/4,674,413.53 = 1,917,114.37/x
  3. Step 3: Cross multiply
    3,387,205.85x = 4,674,413.53 × 1,917,114.37
  4. Step 4: Simplify right side
    3,387,205.85x = 8,961,385,333,206.61
  5. Step 5: Solve for x
    x = 8,961,385,333,206.61/3,387,205.85
  6. Step 6: Final answer
    x = 2,645,657.14

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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.