Finding the Fourth Proportional to 1,563,658.29, 2,157,618.87 and 875,294.37
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Solution
The fourth proportional to 1,563,658.29, 2,157,618.87 and 875,294.37 is: 1,207,777.72
Step by Step Solution
- Step 1: Write the proportion equation
1,563,658.29 : 2,157,618.87 = 875,294.37 : x - Step 2: Convert to fraction form
1,563,658.29/2,157,618.87 = 875,294.37/x - Step 3: Cross multiply
1,563,658.29x = 2,157,618.87 × 875,294.37 - Step 4: Simplify right side
1,563,658.29x = 1,888,551,649,516.76 - Step 5: Solve for x
x = 1,888,551,649,516.76/1,563,658.29 - Step 6: Final answer
x = 1,207,777.72
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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.