Finding the Fourth Proportional to 1,743,279.12, 2,405,710.68 and 979,316.28
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Solution
The fourth proportional to 1,743,279.12, 2,405,710.68 and 979,316.28 is: 1,351,448.32
Step by Step Solution
- Step 1: Write the proportion equation
1,743,279.12 : 2,405,710.68 = 979,316.28 : x - Step 2: Convert to fraction form
1,743,279.12/2,405,710.68 = 979,316.28/x - Step 3: Cross multiply
1,743,279.12x = 2,405,710.68 × 979,316.28 - Step 4: Simplify right side
1,743,279.12x = 2,355,951,633,893.87 - Step 5: Solve for x
x = 2,355,951,633,893.87/1,743,279.12 - Step 6: Final answer
x = 1,351,448.32
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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.