Finding the Fourth Proportional to 6,879,363.12, 10,319,277.60 and 1,830,678.48
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Solution
The fourth proportional to 6,879,363.12, 10,319,277.60 and 1,830,678.48 is: 2,746,079.70
Step by Step Solution
- Step 1: Write the proportion equation
6,879,363.12 : 10,319,277.60 = 1,830,678.48 : x - Step 2: Convert to fraction form
6,879,363.12/10,319,277.60 = 1,830,678.48/x - Step 3: Cross multiply
6,879,363.12x = 10,319,277.60 × 1,830,678.48 - Step 4: Simplify right side
6,879,363.12x = 18,891,279,431,466.05 - Step 5: Solve for x
x = 18,891,279,431,466.05/6,879,363.12 - Step 6: Final answer
x = 2,746,079.70
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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.