Finding the Fourth Proportional to 2,542,897.09, 3,509,235.29 and 1,381,365.19
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Solution
The fourth proportional to 2,542,897.09, 3,509,235.29 and 1,381,365.19 is: 1,906,304.23
Step by Step Solution
- Step 1: Write the proportion equation
2,542,897.09 : 3,509,235.29 = 1,381,365.19 : x - Step 2: Convert to fraction form
2,542,897.09/3,509,235.29 = 1,381,365.19/x - Step 3: Cross multiply
2,542,897.09x = 3,509,235.29 × 1,381,365.19 - Step 4: Simplify right side
2,542,897.09x = 4,847,535,480,965.51 - Step 5: Solve for x
x = 4,847,535,480,965.51/2,542,897.09 - Step 6: Final answer
x = 1,906,304.23
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1.5x scale
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.