Finding the Fourth Proportional to 1,835,464.80, 2,753,197.20 and 1,457,551.20
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Solution
The fourth proportional to 1,835,464.80, 2,753,197.20 and 1,457,551.20 is: 2,186,326.80
Step by Step Solution
- Step 1: Write the proportion equation
1,835,464.80 : 2,753,197.20 = 1,457,551.20 : x - Step 2: Convert to fraction form
1,835,464.80/2,753,197.20 = 1,457,551.20/x - Step 3: Cross multiply
1,835,464.80x = 2,753,197.20 × 1,457,551.20 - Step 4: Simplify right side
1,835,464.80x = 4,012,925,882,696.64 - Step 5: Solve for x
x = 4,012,925,882,696.64/1,835,464.80 - Step 6: Final answer
x = 2,186,326.80
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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.