Finding the Fourth Proportional to 1,675,565.82, 2,312,212.23 and 911,620.14
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Solution
The fourth proportional to 1,675,565.82, 2,312,212.23 and 911,620.14 is: 1,257,998.47
Step by Step Solution
- Step 1: Write the proportion equation
1,675,565.82 : 2,312,212.23 = 911,620.14 : x - Step 2: Convert to fraction form
1,675,565.82/2,312,212.23 = 911,620.14/x - Step 3: Cross multiply
1,675,565.82x = 2,312,212.23 × 911,620.14 - Step 4: Simplify right side
1,675,565.82x = 2,107,859,236,822.31 - Step 5: Solve for x
x = 2,107,859,236,822.31/1,675,565.82 - Step 6: Final answer
x = 1,257,998.47
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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.