Finding the Fourth Proportional to 1,481,356.20, 2,044,261.38 and 802,279.08
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Solution
The fourth proportional to 1,481,356.20, 2,044,261.38 and 802,279.08 is: 1,107,139.62
Step by Step Solution
- Step 1: Write the proportion equation
1,481,356.20 : 2,044,261.38 = 802,279.08 : x - Step 2: Convert to fraction form
1,481,356.20/2,044,261.38 = 802,279.08/x - Step 3: Cross multiply
1,481,356.20x = 2,044,261.38 × 802,279.08 - Step 4: Simplify right side
1,481,356.20x = 1,640,068,139,225.93 - Step 5: Solve for x
x = 1,640,068,139,225.93/1,481,356.20 - Step 6: Final answer
x = 1,107,139.62
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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.