Finding the Fourth Proportional to 4,679,779.34, 6,458,138.22 and 2,746,072.14
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Solution
The fourth proportional to 4,679,779.34, 6,458,138.22 and 2,746,072.14 is: 3,789,604.63
Step by Step Solution
- Step 1: Write the proportion equation
4,679,779.34 : 6,458,138.22 = 2,746,072.14 : x - Step 2: Convert to fraction form
4,679,779.34/6,458,138.22 = 2,746,072.14/x - Step 3: Cross multiply
4,679,779.34x = 6,458,138.22 × 2,746,072.14 - Step 4: Simplify right side
4,679,779.34x = 17,734,513,442,211.19 - Step 5: Solve for x
x = 17,734,513,442,211.19/4,679,779.34 - Step 6: Final answer
x = 3,789,604.63
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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.