Finding the Fourth Proportional to 2,021,874.70, 3,032,812.05 and 1,835,250.70
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Solution
The fourth proportional to 2,021,874.70, 3,032,812.05 and 1,835,250.70 is: 2,752,876.05
Step by Step Solution
- Step 1: Write the proportion equation
2,021,874.70 : 3,032,812.05 = 1,835,250.70 : x - Step 2: Convert to fraction form
2,021,874.70/3,032,812.05 = 1,835,250.70/x - Step 3: Cross multiply
2,021,874.70x = 3,032,812.05 × 1,835,250.70 - Step 4: Simplify right side
2,021,874.70x = 5,565,970,437,730.93 - Step 5: Solve for x
x = 5,565,970,437,730.93/2,021,874.70 - Step 6: Final answer
x = 2,752,876.05
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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.