Finding the Fourth Proportional to 1,207,946.94, 1,666,967.84 and 664,091.98
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Solution
The fourth proportional to 1,207,946.94, 1,666,967.84 and 664,091.98 is: 916,447.52
Step by Step Solution
- Step 1: Write the proportion equation
1,207,946.94 : 1,666,967.84 = 664,091.98 : x - Step 2: Convert to fraction form
1,207,946.94/1,666,967.84 = 664,091.98/x - Step 3: Cross multiply
1,207,946.94x = 1,666,967.84 × 664,091.98 - Step 4: Simplify right side
1,207,946.94x = 1,107,019,973,461.92 - Step 5: Solve for x
x = 1,107,019,973,461.92/1,207,946.94 - Step 6: Final answer
x = 916,447.52
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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.