Finding the Fourth Proportional to 1,348,842.12, 1,862,645.22 and 866,248.08
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Solution
The fourth proportional to 1,348,842.12, 1,862,645.22 and 866,248.08 is: 1,196,220.69
Step by Step Solution
- Step 1: Write the proportion equation
1,348,842.12 : 1,862,645.22 = 866,248.08 : x - Step 2: Convert to fraction form
1,348,842.12/1,862,645.22 = 866,248.08/x - Step 3: Cross multiply
1,348,842.12x = 1,862,645.22 × 866,248.08 - Step 4: Simplify right side
1,348,842.12x = 1,613,512,845,546.18 - Step 5: Solve for x
x = 1,613,512,845,546.18/1,348,842.12 - Step 6: Final answer
x = 1,196,220.69
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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.