Finding the Fourth Proportional to 1,645,741.80, 2,468,612.70 and 805,933.80
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Solution
The fourth proportional to 1,645,741.80, 2,468,612.70 and 805,933.80 is: 1,208,900.70
Step by Step Solution
- Step 1: Write the proportion equation
1,645,741.80 : 2,468,612.70 = 805,933.80 : x - Step 2: Convert to fraction form
1,645,741.80/2,468,612.70 = 805,933.80/x - Step 3: Cross multiply
1,645,741.80x = 2,468,612.70 × 805,933.80 - Step 4: Simplify right side
1,645,741.80x = 1,989,538,414,039.26 - Step 5: Solve for x
x = 1,989,538,414,039.26/1,645,741.80 - Step 6: Final answer
x = 1,208,900.70
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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.