Finding the Fourth Proportional to 3,674,387.71, 5,511,796.05 and 1,115,686.12
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Solution
The fourth proportional to 3,674,387.71, 5,511,796.05 and 1,115,686.12 is: 1,673,594.31
Step by Step Solution
- Step 1: Write the proportion equation
3,674,387.71 : 5,511,796.05 = 1,115,686.12 : x - Step 2: Convert to fraction form
3,674,387.71/5,511,796.05 = 1,115,686.12/x - Step 3: Cross multiply
3,674,387.71x = 5,511,796.05 × 1,115,686.12 - Step 4: Simplify right side
3,674,387.71x = 6,149,434,349,255.83 - Step 5: Solve for x
x = 6,149,434,349,255.83/3,674,387.71 - Step 6: Final answer
x = 1,673,594.31
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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.