Finding the Fourth Proportional to 1,508,792.18, 2,081,975.74 and 864,239.54
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Solution
The fourth proportional to 1,508,792.18, 2,081,975.74 and 864,239.54 is: 1,192,560.36
Step by Step Solution
- Step 1: Write the proportion equation
1,508,792.18 : 2,081,975.74 = 864,239.54 : x - Step 2: Convert to fraction form
1,508,792.18/2,081,975.74 = 864,239.54/x - Step 3: Cross multiply
1,508,792.18x = 2,081,975.74 × 864,239.54 - Step 4: Simplify right side
1,508,792.18x = 1,799,325,743,258.28 - Step 5: Solve for x
x = 1,799,325,743,258.28/1,508,792.18 - Step 6: Final answer
x = 1,192,560.36
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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.