Finding the Fourth Proportional to 1,581,921.48, 2,183,207.94 and 902,960.04
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Solution
The fourth proportional to 1,581,921.48, 2,183,207.94 and 902,960.04 is: 1,246,174.07
Step by Step Solution
- Step 1: Write the proportion equation
1,581,921.48 : 2,183,207.94 = 902,960.04 : x - Step 2: Convert to fraction form
1,581,921.48/2,183,207.94 = 902,960.04/x - Step 3: Cross multiply
1,581,921.48x = 2,183,207.94 × 902,960.04 - Step 4: Simplify right side
1,581,921.48x = 1,971,349,528,830.72 - Step 5: Solve for x
x = 1,971,349,528,830.72/1,581,921.48 - Step 6: Final answer
x = 1,246,174.07
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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.