Finding the Fourth Proportional to 1,603,795.18, 2,213,237.24 and 878,668.60
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Solution
The fourth proportional to 1,603,795.18, 2,213,237.24 and 878,668.60 is: 1,212,562.61
Step by Step Solution
- Step 1: Write the proportion equation
1,603,795.18 : 2,213,237.24 = 878,668.60 : x - Step 2: Convert to fraction form
1,603,795.18/2,213,237.24 = 878,668.60/x - Step 3: Cross multiply
1,603,795.18x = 2,213,237.24 × 878,668.60 - Step 4: Simplify right side
1,603,795.18x = 1,944,702,067,138.66 - Step 5: Solve for x
x = 1,944,702,067,138.66/1,603,795.18 - Step 6: Final answer
x = 1,212,562.61
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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.