Finding the Fourth Proportional to 4,672,887.09, 6,448,668.18 and 2,740,541.37
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Solution
The fourth proportional to 4,672,887.09, 6,448,668.18 and 2,740,541.37 is: 3,781,996.35
Step by Step Solution
- Step 1: Write the proportion equation
4,672,887.09 : 6,448,668.18 = 2,740,541.37 : x - Step 2: Convert to fraction form
4,672,887.09/6,448,668.18 = 2,740,541.37/x - Step 3: Cross multiply
4,672,887.09x = 6,448,668.18 × 2,740,541.37 - Step 4: Simplify right side
4,672,887.09x = 17,672,841,928,692.61 - Step 5: Solve for x
x = 17,672,841,928,692.61/4,672,887.09 - Step 6: Final answer
x = 3,781,996.35
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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.