Finding the Fourth Proportional to 3,954,970.84, 5,458,006.74 and 2,235,988.84
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Solution
The fourth proportional to 3,954,970.84, 5,458,006.74 and 2,235,988.84 is: 3,085,747.70
Step by Step Solution
- Step 1: Write the proportion equation
3,954,970.84 : 5,458,006.74 = 2,235,988.84 : x - Step 2: Convert to fraction form
3,954,970.84/5,458,006.74 = 2,235,988.84/x - Step 3: Cross multiply
3,954,970.84x = 5,458,006.74 × 2,235,988.84 - Step 4: Simplify right side
3,954,970.84x = 12,204,042,159,284.78 - Step 5: Solve for x
x = 12,204,042,159,284.78/3,954,970.84 - Step 6: Final answer
x = 3,085,747.70
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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.