Finding the Fourth Proportional to 3,947,411.80, 5,921,292.66 and 1,107,461.08
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Solution
The fourth proportional to 3,947,411.80, 5,921,292.66 and 1,107,461.08 is: 1,661,240.71
Step by Step Solution
- Step 1: Write the proportion equation
3,947,411.80 : 5,921,292.66 = 1,107,461.08 : x - Step 2: Convert to fraction form
3,947,411.80/5,921,292.66 = 1,107,461.08/x - Step 3: Cross multiply
3,947,411.80x = 5,921,292.66 × 1,107,461.08 - Step 4: Simplify right side
3,947,411.80x = 6,557,601,164,239.67 - Step 5: Solve for x
x = 6,557,601,164,239.67/3,947,411.80 - Step 6: Final answer
x = 1,661,240.71
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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.