Finding the Fourth Proportional to 2,169,810.24, 2,994,515.52 and 1,203,243.68
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Solution
The fourth proportional to 2,169,810.24, 2,994,515.52 and 1,203,243.68 is: 1,660,574.65
Step by Step Solution
- Step 1: Write the proportion equation
2,169,810.24 : 2,994,515.52 = 1,203,243.68 : x - Step 2: Convert to fraction form
2,169,810.24/2,994,515.52 = 1,203,243.68/x - Step 3: Cross multiply
2,169,810.24x = 2,994,515.52 × 1,203,243.68 - Step 4: Simplify right side
2,169,810.24x = 3,603,131,874,101.91 - Step 5: Solve for x
x = 3,603,131,874,101.91/2,169,810.24 - Step 6: Final answer
x = 1,660,574.65
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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.