Finding the Fourth Proportional to 1,866,447.84, 2,574,370.68 and 1,245,940.58
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Solution
The fourth proportional to 1,866,447.84, 2,574,370.68 and 1,245,940.58 is: 1,718,511.93
Step by Step Solution
- Step 1: Write the proportion equation
1,866,447.84 : 2,574,370.68 = 1,245,940.58 : x - Step 2: Convert to fraction form
1,866,447.84/2,574,370.68 = 1,245,940.58/x - Step 3: Cross multiply
1,866,447.84x = 2,574,370.68 × 1,245,940.58 - Step 4: Simplify right side
1,866,447.84x = 3,207,512,879,072.64 - Step 5: Solve for x
x = 3,207,512,879,072.64/1,866,447.84 - Step 6: Final answer
x = 1,718,511.93
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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.