Finding the Fourth Proportional to 2,073,995.97, 2,860,491.96 and 1,349,075.21
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Solution
The fourth proportional to 2,073,995.97, 2,860,491.96 and 1,349,075.21 is: 1,860,668.41
Step by Step Solution
- Step 1: Write the proportion equation
2,073,995.97 : 2,860,491.96 = 1,349,075.21 : x - Step 2: Convert to fraction form
2,073,995.97/2,860,491.96 = 1,349,075.21/x - Step 3: Cross multiply
2,073,995.97x = 2,860,491.96 × 1,349,075.21 - Step 4: Simplify right side
2,073,995.97x = 3,859,018,777,337.85 - Step 5: Solve for x
x = 3,859,018,777,337.85/2,073,995.97 - Step 6: Final answer
x = 1,860,668.41
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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.