Finding the Fourth Proportional to 3,911,366.07, 5,868,734.92 and 2,115,513.75
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Solution
The fourth proportional to 3,911,366.07, 5,868,734.92 and 2,115,513.75 is: 3,174,182.42
Step by Step Solution
- Step 1: Write the proportion equation
3,911,366.07 : 5,868,734.92 = 2,115,513.75 : x - Step 2: Convert to fraction form
3,911,366.07/5,868,734.92 = 2,115,513.75/x - Step 3: Cross multiply
3,911,366.07x = 5,868,734.92 × 2,115,513.75 - Step 4: Simplify right side
3,911,366.07x = 12,415,389,435,084.12 - Step 5: Solve for x
x = 12,415,389,435,084.12/3,911,366.07 - Step 6: Final answer
x = 3,174,182.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.