Finding the Fourth Proportional to 2,365,515.99, 3,264,413.40 and 1,277,787.60
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Solution
The fourth proportional to 2,365,515.99, 3,264,413.40 and 1,277,787.60 is: 1,763,347.61
Step by Step Solution
- Step 1: Write the proportion equation
2,365,515.99 : 3,264,413.40 = 1,277,787.60 : x - Step 2: Convert to fraction form
2,365,515.99/3,264,413.40 = 1,277,787.60/x - Step 3: Cross multiply
2,365,515.99x = 3,264,413.40 × 1,277,787.60 - Step 4: Simplify right side
2,365,515.99x = 4,171,226,963,793.84 - Step 5: Solve for x
x = 4,171,226,963,793.84/2,365,515.99 - Step 6: Final answer
x = 1,763,347.61
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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.