Finding the Fourth Proportional to 2,888,186.78, 3,985,844.73 and 1,599,168.98
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Solution
The fourth proportional to 2,888,186.78, 3,985,844.73 and 1,599,168.98 is: 2,206,934.57
Step by Step Solution
- Step 1: Write the proportion equation
2,888,186.78 : 3,985,844.73 = 1,599,168.98 : x - Step 2: Convert to fraction form
2,888,186.78/3,985,844.73 = 1,599,168.98/x - Step 3: Cross multiply
2,888,186.78x = 3,985,844.73 × 1,599,168.98 - Step 4: Simplify right side
2,888,186.78x = 6,374,039,255,280.20 - Step 5: Solve for x
x = 6,374,039,255,280.20/2,888,186.78 - Step 6: Final answer
x = 2,206,934.57
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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.