Finding the Fourth Proportional to 2,626,821.70, 3,940,350.58 and 805,053.18
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Solution
The fourth proportional to 2,626,821.70, 3,940,350.58 and 805,053.18 is: 1,207,615.94
Step by Step Solution
- Step 1: Write the proportion equation
2,626,821.70 : 3,940,350.58 = 805,053.18 : x - Step 2: Convert to fraction form
2,626,821.70/3,940,350.58 = 805,053.18/x - Step 3: Cross multiply
2,626,821.70x = 3,940,350.58 × 805,053.18 - Step 4: Simplify right side
2,626,821.70x = 3,172,191,756,097.79 - Step 5: Solve for x
x = 3,172,191,756,097.79/2,626,821.70 - Step 6: Final answer
x = 1,207,615.94
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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.