Finding the Fourth Proportional to 3,570,381.98, 5,354,435.73 and 1,173,674.19
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Solution
The fourth proportional to 3,570,381.98, 5,354,435.73 and 1,173,674.19 is: 1,760,137.45
Step by Step Solution
- Step 1: Write the proportion equation
3,570,381.98 : 5,354,435.73 = 1,173,674.19 : x - Step 2: Convert to fraction form
3,570,381.98/5,354,435.73 = 1,173,674.19/x - Step 3: Cross multiply
3,570,381.98x = 5,354,435.73 × 1,173,674.19 - Step 4: Simplify right side
3,570,381.98x = 6,284,363,018,314.81 - Step 5: Solve for x
x = 6,284,363,018,314.81/3,570,381.98 - Step 6: Final answer
x = 1,760,137.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.