Finding the Fourth Proportional to 1,518,363.70, 2,278,420.35 and 572,413.30
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Solution
The fourth proportional to 1,518,363.70, 2,278,420.35 and 572,413.30 is: 858,949.74
Step by Step Solution
- Step 1: Write the proportion equation
1,518,363.70 : 2,278,420.35 = 572,413.30 : x - Step 2: Convert to fraction form
1,518,363.70/2,278,420.35 = 572,413.30/x - Step 3: Cross multiply
1,518,363.70x = 2,278,420.35 × 572,413.30 - Step 4: Simplify right side
1,518,363.70x = 1,304,198,111,330.66 - Step 5: Solve for x
x = 1,304,198,111,330.66/1,518,363.70 - Step 6: Final answer
x = 858,949.74
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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.