Finding the Fourth Proportional to 3,674,579.98, 5,511,513.59 and 1,115,817.08
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Solution
The fourth proportional to 3,674,579.98, 5,511,513.59 and 1,115,817.08 is: 1,673,617.40
Step by Step Solution
- Step 1: Write the proportion equation
3,674,579.98 : 5,511,513.59 = 1,115,817.08 : x - Step 2: Convert to fraction form
3,674,579.98/5,511,513.59 = 1,115,817.08/x - Step 3: Cross multiply
3,674,579.98x = 5,511,513.59 × 1,115,817.08 - Step 4: Simplify right side
3,674,579.98x = 6,149,841,000,374.12 - Step 5: Solve for x
x = 6,149,841,000,374.12/3,674,579.98 - Step 6: Final answer
x = 1,673,617.40
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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.