Finding the Fourth Proportional to 2,674,963.20, 3,691,448.96 and 1,529,068.08
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Solution
The fourth proportional to 2,674,963.20, 3,691,448.96 and 1,529,068.08 is: 2,110,113.80
Step by Step Solution
- Step 1: Write the proportion equation
2,674,963.20 : 3,691,448.96 = 1,529,068.08 : x - Step 2: Convert to fraction form
2,674,963.20/3,691,448.96 = 1,529,068.08/x - Step 3: Cross multiply
2,674,963.20x = 3,691,448.96 × 1,529,068.08 - Step 4: Simplify right side
2,674,963.20x = 5,644,476,773,685.20 - Step 5: Solve for x
x = 5,644,476,773,685.20/2,674,963.20 - Step 6: Final answer
x = 2,110,113.80
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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.