Finding the Fourth Proportional to 1,860,916, 2,566,839.36 and 1,343,808.76
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Solution
The fourth proportional to 1,860,916, 2,566,839.36 and 1,343,808.76 is: 1,853,571.69
Step by Step Solution
- Step 1: Write the proportion equation
1,860,916 : 2,566,839.36 = 1,343,808.76 : x - Step 2: Convert to fraction form
1,860,916/2,566,839.36 = 1,343,808.76/x - Step 3: Cross multiply
1,860,916x = 2,566,839.36 × 1,343,808.76 - Step 4: Simplify right side
1,860,916x = 3,449,341,217,480.79 - Step 5: Solve for x
x = 3,449,341,217,480.79/1,860,916 - Step 6: Final answer
x = 1,853,571.69
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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.