Finding the Fourth Proportional to 6,477,169.12, 9,719,116.19 and 2,641,805.35
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Solution
The fourth proportional to 6,477,169.12, 9,719,116.19 and 2,641,805.35 is: 3,964,079.47
Step by Step Solution
- Step 1: Write the proportion equation
6,477,169.12 : 9,719,116.19 = 2,641,805.35 : x - Step 2: Convert to fraction form
6,477,169.12/9,719,116.19 = 2,641,805.35/x - Step 3: Cross multiply
6,477,169.12x = 9,719,116.19 × 2,641,805.35 - Step 4: Simplify right side
6,477,169.12x = 25,676,013,148,013.62 - Step 5: Solve for x
x = 25,676,013,148,013.62/6,477,169.12 - Step 6: Final answer
x = 3,964,079.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.