Finding the Fourth Proportional to 2,293,316.72, 3,164,779.11 and 1,260,842.09
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Solution
The fourth proportional to 2,293,316.72, 3,164,779.11 and 1,260,842.09 is: 1,739,963.20
Step by Step Solution
- Step 1: Write the proportion equation
2,293,316.72 : 3,164,779.11 = 1,260,842.09 : x - Step 2: Convert to fraction form
2,293,316.72/3,164,779.11 = 1,260,842.09/x - Step 3: Cross multiply
2,293,316.72x = 3,164,779.11 × 1,260,842.09 - Step 4: Simplify right side
2,293,316.72x = 3,990,286,691,616.84 - Step 5: Solve for x
x = 3,990,286,691,616.84/2,293,316.72 - Step 6: Final answer
x = 1,739,963.20
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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.