Finding the Fourth Proportional to 1,631,397.51, 2,251,265.97 and 906,290.82
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Solution
The fourth proportional to 1,631,397.51, 2,251,265.97 and 906,290.82 is: 1,250,646.56
Step by Step Solution
- Step 1: Write the proportion equation
1,631,397.51 : 2,251,265.97 = 906,290.82 : x - Step 2: Convert to fraction form
1,631,397.51/2,251,265.97 = 906,290.82/x - Step 3: Cross multiply
1,631,397.51x = 2,251,265.97 × 906,290.82 - Step 4: Simplify right side
1,631,397.51x = 2,040,301,681,989.40 - Step 5: Solve for x
x = 2,040,301,681,989.40/1,631,397.51 - Step 6: Final answer
x = 1,250,646.56
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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.