Finding the Fourth Proportional to 2,102,023.29, 2,900,792.09 and 1,135,153.50
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Solution
The fourth proportional to 2,102,023.29, 2,900,792.09 and 1,135,153.50 is: 1,566,511.80
Step by Step Solution
- Step 1: Write the proportion equation
2,102,023.29 : 2,900,792.09 = 1,135,153.50 : x - Step 2: Convert to fraction form
2,102,023.29/2,900,792.09 = 1,135,153.50/x - Step 3: Cross multiply
2,102,023.29x = 2,900,792.09 × 1,135,153.50 - Step 4: Simplify right side
2,102,023.29x = 3,292,844,293,735.82 - Step 5: Solve for x
x = 3,292,844,293,735.82/2,102,023.29 - Step 6: Final answer
x = 1,566,511.80
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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.