Finding the Fourth Proportional to 1,617,500.19, 2,232,157.75 and 892,347.64
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Solution
The fourth proportional to 1,617,500.19, 2,232,157.75 and 892,347.64 is: 1,231,443.87
Step by Step Solution
- Step 1: Write the proportion equation
1,617,500.19 : 2,232,157.75 = 892,347.64 : x - Step 2: Convert to fraction form
1,617,500.19/2,232,157.75 = 892,347.64/x - Step 3: Cross multiply
1,617,500.19x = 2,232,157.75 × 892,347.64 - Step 4: Simplify right side
1,617,500.19x = 1,991,860,697,528.40 - Step 5: Solve for x
x = 1,991,860,697,528.40/1,617,500.19 - Step 6: Final answer
x = 1,231,443.87
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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.