Home / 1,963,413.80-2,945,120.70-1,590,165.80

Finding the Fourth Proportional to 1,963,413.80, 2,945,120.70 and 1,590,165.80

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Solution

The fourth proportional to 1,963,413.80, 2,945,120.70 and 1,590,165.80 is: 2,385,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,413.80 : 2,945,120.70 = 1,590,165.80 : x
  2. Step 2: Convert to fraction form
    1,963,413.80/2,945,120.70 = 1,590,165.80/x
  3. Step 3: Cross multiply
    1,963,413.80x = 2,945,120.70 × 1,590,165.80
  4. Step 4: Simplify right side
    1,963,413.80x = 4,683,230,214,012.06
  5. Step 5: Solve for x
    x = 4,683,230,214,012.06/1,963,413.80
  6. Step 6: Final answer
    x = 2,385,248.70

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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.