Finding the Fourth Proportional to 1,617,511.58, 2,232,173.40 and 892,359.03
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Solution
The fourth proportional to 1,617,511.58, 2,232,173.40 and 892,359.03 is: 1,231,459.55
Step by Step Solution
- Step 1: Write the proportion equation
1,617,511.58 : 2,232,173.40 = 892,359.03 : x - Step 2: Convert to fraction form
1,617,511.58/2,232,173.40 = 892,359.03/x - Step 3: Cross multiply
1,617,511.58x = 2,232,173.40 × 892,359.03 - Step 4: Simplify right side
1,617,511.58x = 1,991,900,082,484.13 - Step 5: Solve for x
x = 1,991,900,082,484.13/1,617,511.58 - Step 6: Final answer
x = 1,231,459.55
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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.