Finding the Fourth Proportional to 1,566,597.75, 2,161,918.10 and 851,205.75
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Solution
The fourth proportional to 1,566,597.75, 2,161,918.10 and 851,205.75 is: 1,174,671.11
Step by Step Solution
- Step 1: Write the proportion equation
1,566,597.75 : 2,161,918.10 = 851,205.75 : x - Step 2: Convert to fraction form
1,566,597.75/2,161,918.10 = 851,205.75/x - Step 3: Cross multiply
1,566,597.75x = 2,161,918.10 × 851,205.75 - Step 4: Simplify right side
1,566,597.75x = 1,840,237,113,493.05 - Step 5: Solve for x
x = 1,840,237,113,493.05/1,566,597.75 - Step 6: Final answer
x = 1,174,671.11
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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.