Finding the Fourth Proportional to 6,203,408.90, 8,560,628.17 and 3,487,154.90
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Solution
The fourth proportional to 6,203,408.90, 8,560,628.17 and 3,487,154.90 is: 4,812,230.97
Step by Step Solution
- Step 1: Write the proportion equation
6,203,408.90 : 8,560,628.17 = 3,487,154.90 : x - Step 2: Convert to fraction form
6,203,408.90/8,560,628.17 = 3,487,154.90/x - Step 3: Cross multiply
6,203,408.90x = 8,560,628.17 × 3,487,154.90 - Step 4: Simplify right side
6,203,408.90x = 29,852,236,418,572.51 - Step 5: Solve for x
x = 29,852,236,418,572.51/6,203,408.90 - Step 6: Final answer
x = 4,812,230.97
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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.