Finding the Fourth Proportional to 3,674,592.12, 5,511,531.75 and 1,115,829.18
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Solution
The fourth proportional to 3,674,592.12, 5,511,531.75 and 1,115,829.18 is: 1,673,635.54
Step by Step Solution
- Step 1: Write the proportion equation
3,674,592.12 : 5,511,531.75 = 1,115,829.18 : x - Step 2: Convert to fraction form
3,674,592.12/5,511,531.75 = 1,115,829.18/x - Step 3: Cross multiply
3,674,592.12x = 5,511,531.75 × 1,115,829.18 - Step 4: Simplify right side
3,674,592.12x = 6,149,927,953,146.47 - Step 5: Solve for x
x = 6,149,927,953,146.47/3,674,592.12 - Step 6: Final answer
x = 1,673,635.54
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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.