Finding the Fourth Proportional to 2,889,893.07, 3,988,052.73 and 1,600,816.95
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Solution
The fourth proportional to 2,889,893.07, 3,988,052.73 and 1,600,816.95 is: 2,209,127.55
Step by Step Solution
- Step 1: Write the proportion equation
2,889,893.07 : 3,988,052.73 = 1,600,816.95 : x - Step 2: Convert to fraction form
2,889,893.07/3,988,052.73 = 1,600,816.95/x - Step 3: Cross multiply
2,889,893.07x = 3,988,052.73 × 1,600,816.95 - Step 4: Simplify right side
2,889,893.07x = 6,384,142,407,677.77 - Step 5: Solve for x
x = 6,384,142,407,677.77/2,889,893.07 - Step 6: Final answer
x = 2,209,127.55
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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.