Finding the Fourth Proportional to 4,521,542.86, 6,782,316.72 and 1,681,285.96
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Solution
The fourth proportional to 4,521,542.86, 6,782,316.72 and 1,681,285.96 is: 2,521,929.84
Step by Step Solution
- Step 1: Write the proportion equation
4,521,542.86 : 6,782,316.72 = 1,681,285.96 : x - Step 2: Convert to fraction form
4,521,542.86/6,782,316.72 = 1,681,285.96/x - Step 3: Cross multiply
4,521,542.86x = 6,782,316.72 × 1,681,285.96 - Step 4: Simplify right side
4,521,542.86x = 11,403,013,877,609.25 - Step 5: Solve for x
x = 11,403,013,877,609.25/4,521,542.86 - Step 6: Final answer
x = 2,521,929.84
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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.