Finding the Fourth Proportional to 2,227,316.22, 3,073,698.62 and 1,208,720.96
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Solution
The fourth proportional to 2,227,316.22, 3,073,698.62 and 1,208,720.96 is: 1,668,036.14
Step by Step Solution
- Step 1: Write the proportion equation
2,227,316.22 : 3,073,698.62 = 1,208,720.96 : x - Step 2: Convert to fraction form
2,227,316.22/3,073,698.62 = 1,208,720.96/x - Step 3: Cross multiply
2,227,316.22x = 3,073,698.62 × 1,208,720.96 - Step 4: Simplify right side
2,227,316.22x = 3,715,243,946,717.08 - Step 5: Solve for x
x = 3,715,243,946,717.08/2,227,316.22 - Step 6: Final answer
x = 1,668,036.14
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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.