Finding the Fourth Proportional to 1,631,476.08, 2,251,434.96 and 906,390.72
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Solution
The fourth proportional to 1,631,476.08, 2,251,434.96 and 906,390.72 is: 1,250,818.07
Step by Step Solution
- Step 1: Write the proportion equation
1,631,476.08 : 2,251,434.96 = 906,390.72 : x - Step 2: Convert to fraction form
1,631,476.08/2,251,434.96 = 906,390.72/x - Step 3: Cross multiply
1,631,476.08x = 2,251,434.96 × 906,390.72 - Step 4: Simplify right side
1,631,476.08x = 2,040,679,754,427.57 - Step 5: Solve for x
x = 2,040,679,754,427.57/1,631,476.08 - Step 6: Final answer
x = 1,250,818.07
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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.