Finding the Fourth Proportional to 4,087,538.96, 5,640,531.54 and 2,368,352.84
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Solution
The fourth proportional to 4,087,538.96, 5,640,531.54 and 2,368,352.84 is: 3,268,169.19
Step by Step Solution
- Step 1: Write the proportion equation
4,087,538.96 : 5,640,531.54 = 2,368,352.84 : x - Step 2: Convert to fraction form
4,087,538.96/5,640,531.54 = 2,368,352.84/x - Step 3: Cross multiply
4,087,538.96x = 5,640,531.54 × 2,368,352.84 - Step 4: Simplify right side
4,087,538.96x = 13,358,768,891,868.57 - Step 5: Solve for x
x = 13,358,768,891,868.57/4,087,538.96 - Step 6: Final answer
x = 3,268,169.19
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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.