Finding the Fourth Proportional to 5,097,887.64, 7,646,624.07 and 1,259,613.40
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Solution
The fourth proportional to 5,097,887.64, 7,646,624.07 and 1,259,613.40 is: 1,889,368.85
Step by Step Solution
- Step 1: Write the proportion equation
5,097,887.64 : 7,646,624.07 = 1,259,613.40 : x - Step 2: Convert to fraction form
5,097,887.64/7,646,624.07 = 1,259,613.40/x - Step 3: Cross multiply
5,097,887.64x = 7,646,624.07 × 1,259,613.40 - Step 4: Simplify right side
5,097,887.64x = 9,631,790,101,573.04 - Step 5: Solve for x
x = 9,631,790,101,573.04/5,097,887.64 - Step 6: Final answer
x = 1,889,368.85
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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.