Finding the Fourth Proportional to 2,291,001.57, 3,161,397.06 and 1,324,194.48
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Solution
The fourth proportional to 2,291,001.57, 3,161,397.06 and 1,324,194.48 is: 1,827,281.39
Step by Step Solution
- Step 1: Write the proportion equation
2,291,001.57 : 3,161,397.06 = 1,324,194.48 : x - Step 2: Convert to fraction form
2,291,001.57/3,161,397.06 = 1,324,194.48/x - Step 3: Cross multiply
2,291,001.57x = 3,161,397.06 × 1,324,194.48 - Step 4: Simplify right side
2,291,001.57x = 4,186,304,535,940.23 - Step 5: Solve for x
x = 4,186,304,535,940.23/2,291,001.57 - Step 6: Final answer
x = 1,827,281.39
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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.