Finding the Fourth Proportional to 3,392,945.08, 4,680,703.68 and 3,006,155.12
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Solution
The fourth proportional to 3,392,945.08, 4,680,703.68 and 3,006,155.12 is: 4,147,111.43
Step by Step Solution
- Step 1: Write the proportion equation
3,392,945.08 : 4,680,703.68 = 3,006,155.12 : x - Step 2: Convert to fraction form
3,392,945.08/4,680,703.68 = 3,006,155.12/x - Step 3: Cross multiply
3,392,945.08x = 4,680,703.68 × 3,006,155.12 - Step 4: Simplify right side
3,392,945.08x = 14,070,921,332,834.84 - Step 5: Solve for x
x = 14,070,921,332,834.84/3,392,945.08 - Step 6: Final answer
x = 4,147,111.43
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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.