Finding the Fourth Proportional to 1,215,156.88, 1,676,909.82 and 671,330.08
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Solution
The fourth proportional to 1,215,156.88, 1,676,909.82 and 671,330.08 is: 926,431.82
Step by Step Solution
- Step 1: Write the proportion equation
1,215,156.88 : 1,676,909.82 = 671,330.08 : x - Step 2: Convert to fraction form
1,215,156.88/1,676,909.82 = 671,330.08/x - Step 3: Cross multiply
1,215,156.88x = 1,676,909.82 × 671,330.08 - Step 4: Simplify right side
1,215,156.88x = 1,125,760,003,613.39 - Step 5: Solve for x
x = 1,125,760,003,613.39/1,215,156.88 - Step 6: Final answer
x = 926,431.82
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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.