Finding the Fourth Proportional to 5,613,423.19, 8,420,078.64 and 1,775,246.26
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Solution
The fourth proportional to 5,613,423.19, 8,420,078.64 and 1,775,246.26 is: 2,662,851.63
Step by Step Solution
- Step 1: Write the proportion equation
5,613,423.19 : 8,420,078.64 = 1,775,246.26 : x - Step 2: Convert to fraction form
5,613,423.19/8,420,078.64 = 1,775,246.26/x - Step 3: Cross multiply
5,613,423.19x = 8,420,078.64 × 1,775,246.26 - Step 4: Simplify right side
5,613,423.19x = 14,947,713,093,515.69 - Step 5: Solve for x
x = 14,947,713,093,515.69/5,613,423.19 - Step 6: Final answer
x = 2,662,851.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.