Finding the Fourth Proportional to 3,280,587.75, 4,921,138.67 and 884,395.80
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Solution
The fourth proportional to 3,280,587.75, 4,921,138.67 and 884,395.80 is: 1,326,662.99
Step by Step Solution
- Step 1: Write the proportion equation
3,280,587.75 : 4,921,138.67 = 884,395.80 : x - Step 2: Convert to fraction form
3,280,587.75/4,921,138.67 = 884,395.80/x - Step 3: Cross multiply
3,280,587.75x = 4,921,138.67 × 884,395.80 - Step 4: Simplify right side
3,280,587.75x = 4,352,234,366,543.61 - Step 5: Solve for x
x = 4,352,234,366,543.61/3,280,587.75 - Step 6: Final answer
x = 1,326,662.99
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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.