Finding the Fourth Proportional to 2,853,913.12, 4,280,413.99 and 831,684.01
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Solution
The fourth proportional to 2,853,913.12, 4,280,413.99 and 831,684.01 is: 1,247,393.21
Step by Step Solution
- Step 1: Write the proportion equation
2,853,913.12 : 4,280,413.99 = 831,684.01 : x - Step 2: Convert to fraction form
2,853,913.12/4,280,413.99 = 831,684.01/x - Step 3: Cross multiply
2,853,913.12x = 4,280,413.99 × 831,684.01 - Step 4: Simplify right side
2,853,913.12x = 3,559,951,857,641.77 - Step 5: Solve for x
x = 3,559,951,857,641.77/2,853,913.12 - Step 6: Final answer
x = 1,247,393.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.