Finding the Fourth Proportional to 5,613,422.81, 8,420,078.08 and 1,775,245.88
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Solution
The fourth proportional to 5,613,422.81, 8,420,078.08 and 1,775,245.88 is: 2,662,851.07
Step by Step Solution
- Step 1: Write the proportion equation
5,613,422.81 : 8,420,078.08 = 1,775,245.88 : x - Step 2: Convert to fraction form
5,613,422.81/8,420,078.08 = 1,775,245.88/x - Step 3: Cross multiply
5,613,422.81x = 8,420,078.08 × 1,775,245.88 - Step 4: Simplify right side
5,613,422.81x = 14,947,708,920,798.31 - Step 5: Solve for x
x = 14,947,708,920,798.31/5,613,422.81 - Step 6: Final answer
x = 2,662,851.07
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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.