Finding the Fourth Proportional to 1,215,162.23, 1,676,918.62 and 671,297.99
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Solution
The fourth proportional to 1,215,162.23, 1,676,918.62 and 671,297.99 is: 926,388.32
Step by Step Solution
- Step 1: Write the proportion equation
1,215,162.23 : 1,676,918.62 = 671,297.99 : x - Step 2: Convert to fraction form
1,215,162.23/1,676,918.62 = 671,297.99/x - Step 3: Cross multiply
1,215,162.23x = 1,676,918.62 × 671,297.99 - Step 4: Simplify right side
1,215,162.23x = 1,125,712,098,999.57 - Step 5: Solve for x
x = 1,125,712,098,999.57/1,215,162.23 - Step 6: Final answer
x = 926,388.32
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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.