Finding the Fourth Proportional to 1,912,149.24, 2,868,224.10 and 632,413.20
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Solution
The fourth proportional to 1,912,149.24, 2,868,224.10 and 632,413.20 is: 948,619.88
Step by Step Solution
- Step 1: Write the proportion equation
1,912,149.24 : 2,868,224.10 = 632,413.20 : x - Step 2: Convert to fraction form
1,912,149.24/2,868,224.10 = 632,413.20/x - Step 3: Cross multiply
1,912,149.24x = 2,868,224.10 × 632,413.20 - Step 4: Simplify right side
1,912,149.24x = 1,813,902,781,398.12 - Step 5: Solve for x
x = 1,813,902,781,398.12/1,912,149.24 - Step 6: Final answer
x = 948,619.88
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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.