Finding the Fourth Proportional to 2,287,734.32, 3,157,077.08 and 1,269,139.08
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Solution
The fourth proportional to 2,287,734.32, 3,157,077.08 and 1,269,139.08 is: 1,751,413.99
Step by Step Solution
- Step 1: Write the proportion equation
2,287,734.32 : 3,157,077.08 = 1,269,139.08 : x - Step 2: Convert to fraction form
2,287,734.32/3,157,077.08 = 1,269,139.08/x - Step 3: Cross multiply
2,287,734.32x = 3,157,077.08 × 1,269,139.08 - Step 4: Simplify right side
2,287,734.32x = 4,006,769,900,800.29 - Step 5: Solve for x
x = 4,006,769,900,800.29/2,287,734.32 - Step 6: Final answer
x = 1,751,413.99
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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.