Finding the Fourth Proportional to 2,125,171.47, 2,932,717.96 and 1,158,301.81
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Solution
The fourth proportional to 2,125,171.47, 2,932,717.96 and 1,158,301.81 is: 1,598,446.32
Step by Step Solution
- Step 1: Write the proportion equation
2,125,171.47 : 2,932,717.96 = 1,158,301.81 : x - Step 2: Convert to fraction form
2,125,171.47/2,932,717.96 = 1,158,301.81/x - Step 3: Cross multiply
2,125,171.47x = 2,932,717.96 × 1,158,301.81 - Step 4: Simplify right side
2,125,171.47x = 3,396,972,521,287.51 - Step 5: Solve for x
x = 3,396,972,521,287.51/2,125,171.47 - Step 6: Final answer
x = 1,598,446.32
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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.