Finding the Fourth Proportional to 2,252,078.64, 3,107,854.23 and 1,219,569.96
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Solution
The fourth proportional to 2,252,078.64, 3,107,854.23 and 1,219,569.96 is: 1,682,998.80
Step by Step Solution
- Step 1: Write the proportion equation
2,252,078.64 : 3,107,854.23 = 1,219,569.96 : x - Step 2: Convert to fraction form
2,252,078.64/3,107,854.23 = 1,219,569.96/x - Step 3: Cross multiply
2,252,078.64x = 3,107,854.23 × 1,219,569.96 - Step 4: Simplify right side
2,252,078.64x = 3,790,245,658,966.93 - Step 5: Solve for x
x = 3,790,245,658,966.93/2,252,078.64 - Step 6: Final answer
x = 1,682,998.80
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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.