Finding the Fourth Proportional to 5,528,390.88, 8,293,006.17 and 1,883,988.12
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Solution
The fourth proportional to 5,528,390.88, 8,293,006.17 and 1,883,988.12 is: 2,826,125.26
Step by Step Solution
- Step 1: Write the proportion equation
5,528,390.88 : 8,293,006.17 = 1,883,988.12 : x - Step 2: Convert to fraction form
5,528,390.88/8,293,006.17 = 1,883,988.12/x - Step 3: Cross multiply
5,528,390.88x = 8,293,006.17 × 1,883,988.12 - Step 4: Simplify right side
5,528,390.88x = 15,623,925,103,366.70 - Step 5: Solve for x
x = 15,623,925,103,366.70/5,528,390.88 - Step 6: Final answer
x = 2,826,125.26
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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.