Finding the Fourth Proportional to 1,684,567.71, 2,324,863.71 and 920,736.09
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Solution
The fourth proportional to 1,684,567.71, 2,324,863.71 and 920,736.09 is: 1,270,703.40
Step by Step Solution
- Step 1: Write the proportion equation
1,684,567.71 : 2,324,863.71 = 920,736.09 : x - Step 2: Convert to fraction form
1,684,567.71/2,324,863.71 = 920,736.09/x - Step 3: Cross multiply
1,684,567.71x = 2,324,863.71 × 920,736.09 - Step 4: Simplify right side
1,684,567.71x = 2,140,585,922,128.29 - Step 5: Solve for x
x = 2,140,585,922,128.29/1,684,567.71 - Step 6: Final answer
x = 1,270,703.40
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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.