Finding the Fourth Proportional to 1,925,170.92, 2,656,883.40 and 1,098,262.68
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Solution
The fourth proportional to 1,925,170.92, 2,656,883.40 and 1,098,262.68 is: 1,515,686.66
Step by Step Solution
- Step 1: Write the proportion equation
1,925,170.92 : 2,656,883.40 = 1,098,262.68 : x - Step 2: Convert to fraction form
1,925,170.92/2,656,883.40 = 1,098,262.68/x - Step 3: Cross multiply
1,925,170.92x = 2,656,883.40 × 1,098,262.68 - Step 4: Simplify right side
1,925,170.92x = 2,917,955,883,331.51 - Step 5: Solve for x
x = 2,917,955,883,331.51/1,925,170.92 - Step 6: Final answer
x = 1,515,686.66
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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.