Finding the Fourth Proportional to 4,144,421.08, 5,719,214.28 and 2,308,876.84
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Solution
The fourth proportional to 4,144,421.08, 5,719,214.28 and 2,308,876.84 is: 3,186,201.68
Step by Step Solution
- Step 1: Write the proportion equation
4,144,421.08 : 5,719,214.28 = 2,308,876.84 : x - Step 2: Convert to fraction form
4,144,421.08/5,719,214.28 = 2,308,876.84/x - Step 3: Cross multiply
4,144,421.08x = 5,719,214.28 × 2,308,876.84 - Step 4: Simplify right side
4,144,421.08x = 13,204,961,394,089.28 - Step 5: Solve for x
x = 13,204,961,394,089.28/4,144,421.08 - Step 6: Final answer
x = 3,186,201.68
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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.