Finding the Fourth Proportional to 3,985,410.84, 5,499,708.48 and 2,354,341.98
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Solution
The fourth proportional to 3,985,410.84, 5,499,708.48 and 2,354,341.98 is: 3,248,898.31
Step by Step Solution
- Step 1: Write the proportion equation
3,985,410.84 : 5,499,708.48 = 2,354,341.98 : x - Step 2: Convert to fraction form
3,985,410.84/5,499,708.48 = 2,354,341.98/x - Step 3: Cross multiply
3,985,410.84x = 5,499,708.48 × 2,354,341.98 - Step 4: Simplify right side
3,985,410.84x = 12,948,194,552,225.99 - Step 5: Solve for x
x = 12,948,194,552,225.99/3,985,410.84 - Step 6: Final answer
x = 3,248,898.31
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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.