Finding the Fourth Proportional to 1,563,508.57, 2,157,678.36 and 875,163.31
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Solution
The fourth proportional to 1,563,508.57, 2,157,678.36 and 875,163.31 is: 1,207,745.82
Step by Step Solution
- Step 1: Write the proportion equation
1,563,508.57 : 2,157,678.36 = 875,163.31 : x - Step 2: Convert to fraction form
1,563,508.57/2,157,678.36 = 875,163.31/x - Step 3: Cross multiply
1,563,508.57x = 2,157,678.36 × 875,163.31 - Step 4: Simplify right side
1,563,508.57x = 1,888,320,935,452.97 - Step 5: Solve for x
x = 1,888,320,935,452.97/1,563,508.57 - Step 6: Final answer
x = 1,207,745.82
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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.