Finding the Fourth Proportional to 1,537,849.92, 2,122,237.44 and 858,812.16
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Solution
The fourth proportional to 1,537,849.92, 2,122,237.44 and 858,812.16 is: 1,185,163.32
Step by Step Solution
- Step 1: Write the proportion equation
1,537,849.92 : 2,122,237.44 = 858,812.16 : x - Step 2: Convert to fraction form
1,537,849.92/2,122,237.44 = 858,812.16/x - Step 3: Cross multiply
1,537,849.92x = 2,122,237.44 × 858,812.16 - Step 4: Simplify right side
1,537,849.92x = 1,822,603,319,879.27 - Step 5: Solve for x
x = 1,822,603,319,879.27/1,537,849.92 - Step 6: Final answer
x = 1,185,163.32
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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.