Finding the Fourth Proportional to 3,212,356.48, 4,432,972.06 and 1,835,612.84
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Solution
The fourth proportional to 3,212,356.48, 4,432,972.06 and 1,835,612.84 is: 2,533,100.07
Step by Step Solution
- Step 1: Write the proportion equation
3,212,356.48 : 4,432,972.06 = 1,835,612.84 : x - Step 2: Convert to fraction form
3,212,356.48/4,432,972.06 = 1,835,612.84/x - Step 3: Cross multiply
3,212,356.48x = 4,432,972.06 × 1,835,612.84 - Step 4: Simplify right side
3,212,356.48x = 8,137,220,432,697.25 - Step 5: Solve for x
x = 8,137,220,432,697.25/3,212,356.48 - Step 6: Final answer
x = 2,533,100.07
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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.