Finding the Fourth Proportional to 1,631,153.04, 2,251,809.36 and 1,019,645.96
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Solution
The fourth proportional to 1,631,153.04, 2,251,809.36 and 1,019,645.96 is: 1,407,622.87
Step by Step Solution
- Step 1: Write the proportion equation
1,631,153.04 : 2,251,809.36 = 1,019,645.96 : x - Step 2: Convert to fraction form
1,631,153.04/2,251,809.36 = 1,019,645.96/x - Step 3: Cross multiply
1,631,153.04x = 2,251,809.36 × 1,019,645.96 - Step 4: Simplify right side
1,631,153.04x = 2,296,048,316,614.19 - Step 5: Solve for x
x = 2,296,048,316,614.19/1,631,153.04 - Step 6: Final answer
x = 1,407,622.87
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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.