Finding the Fourth Proportional to 1,668,149.68, 2,502,224.76 and 405,977.28
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Solution
The fourth proportional to 1,668,149.68, 2,502,224.76 and 405,977.28 is: 608,965.98
Step by Step Solution
- Step 1: Write the proportion equation
1,668,149.68 : 2,502,224.76 = 405,977.28 : x - Step 2: Convert to fraction form
1,668,149.68/2,502,224.76 = 405,977.28/x - Step 3: Cross multiply
1,668,149.68x = 2,502,224.76 × 405,977.28 - Step 4: Simplify right side
1,668,149.68x = 1,015,846,402,013.45 - Step 5: Solve for x
x = 1,015,846,402,013.45/1,668,149.68 - Step 6: Final answer
x = 608,965.98
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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.