Finding the Fourth Proportional to 1,621,413.63, 2,432,220.73 and 542,023.31
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Solution
The fourth proportional to 1,621,413.63, 2,432,220.73 and 542,023.31 is: 813,068.49
Step by Step Solution
- Step 1: Write the proportion equation
1,621,413.63 : 2,432,220.73 = 542,023.31 : x - Step 2: Convert to fraction form
1,621,413.63/2,432,220.73 = 542,023.31/x - Step 3: Cross multiply
1,621,413.63x = 2,432,220.73 × 542,023.31 - Step 4: Simplify right side
1,621,413.63x = 1,318,320,335,450.71 - Step 5: Solve for x
x = 1,318,320,335,450.71/1,621,413.63 - Step 6: Final answer
x = 813,068.49
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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.