Finding the Fourth Proportional to 1,347,539.10, 2,016,643.05 and 1,235,564.70
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Solution
The fourth proportional to 1,347,539.10, 2,016,643.05 and 1,235,564.70 is: 1,849,069.14
Step by Step Solution
- Step 1: Write the proportion equation
1,347,539.10 : 2,016,643.05 = 1,235,564.70 : x - Step 2: Convert to fraction form
1,347,539.10/2,016,643.05 = 1,235,564.70/x - Step 3: Cross multiply
1,347,539.10x = 2,016,643.05 × 1,235,564.70 - Step 4: Simplify right side
1,347,539.10x = 2,491,692,965,080.34 - Step 5: Solve for x
x = 2,491,692,965,080.34/1,347,539.10 - Step 6: Final answer
x = 1,849,069.14
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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.