Finding the Fourth Proportional to 2,116,253.79, 2,918,440.94 and 1,632,051.99
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Solution
The fourth proportional to 2,116,253.79, 2,918,440.94 and 1,632,051.99 is: 2,250,697.60
Step by Step Solution
- Step 1: Write the proportion equation
2,116,253.79 : 2,918,440.94 = 1,632,051.99 : x - Step 2: Convert to fraction form
2,116,253.79/2,918,440.94 = 1,632,051.99/x - Step 3: Cross multiply
2,116,253.79x = 2,918,440.94 × 1,632,051.99 - Step 4: Simplify right side
2,116,253.79x = 4,763,047,335,664.21 - Step 5: Solve for x
x = 4,763,047,335,664.21/2,116,253.79 - Step 6: Final answer
x = 2,250,697.60
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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.