Finding the Fourth Proportional to 1,207,727.97, 1,666,645.92 and 663,852.12
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Solution
The fourth proportional to 1,207,727.97, 1,666,645.92 and 663,852.12 is: 916,105.66
Step by Step Solution
- Step 1: Write the proportion equation
1,207,727.97 : 1,666,645.92 = 663,852.12 : x - Step 2: Convert to fraction form
1,207,727.97/1,666,645.92 = 663,852.12/x - Step 3: Cross multiply
1,207,727.97x = 1,666,645.92 × 663,852.12 - Step 4: Simplify right side
1,207,727.97x = 1,106,406,427,281.35 - Step 5: Solve for x
x = 1,106,406,427,281.35/1,207,727.97 - Step 6: Final answer
x = 916,105.66
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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.