Finding the Fourth Proportional to 6,460,208.20, 9,689,534.70 and 2,673,296.20
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Solution
The fourth proportional to 6,460,208.20, 9,689,534.70 and 2,673,296.20 is: 4,009,622.52
Step by Step Solution
- Step 1: Write the proportion equation
6,460,208.20 : 9,689,534.70 = 2,673,296.20 : x - Step 2: Convert to fraction form
6,460,208.20/9,689,534.70 = 2,673,296.20/x - Step 3: Cross multiply
6,460,208.20x = 9,689,534.70 × 2,673,296.20 - Step 4: Simplify right side
6,460,208.20x = 25,902,996,293,278.14 - Step 5: Solve for x
x = 25,902,996,293,278.14/6,460,208.20 - Step 6: Final answer
x = 4,009,622.52
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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.