Finding the Fourth Proportional to 3,145,876.93, 4,341,268.92 and 1,769,220.25
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Solution
The fourth proportional to 3,145,876.93, 4,341,268.92 and 1,769,220.25 is: 2,441,500.75
Step by Step Solution
- Step 1: Write the proportion equation
3,145,876.93 : 4,341,268.92 = 1,769,220.25 : x - Step 2: Convert to fraction form
3,145,876.93/4,341,268.92 = 1,769,220.25/x - Step 3: Cross multiply
3,145,876.93x = 4,341,268.92 × 1,769,220.25 - Step 4: Simplify right side
3,145,876.93x = 7,680,660,883,959.63 - Step 5: Solve for x
x = 7,680,660,883,959.63/3,145,876.93 - Step 6: Final answer
x = 2,441,500.75
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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.