Finding the Fourth Proportional to 1,562,458.08, 2,154,639.36 and 1,176,198.24
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Solution
The fourth proportional to 1,562,458.08, 2,154,639.36 and 1,176,198.24 is: 1,621,984.65
Step by Step Solution
- Step 1: Write the proportion equation
1,562,458.08 : 2,154,639.36 = 1,176,198.24 : x - Step 2: Convert to fraction form
1,562,458.08/2,154,639.36 = 1,176,198.24/x - Step 3: Cross multiply
1,562,458.08x = 2,154,639.36 × 1,176,198.24 - Step 4: Simplify right side
1,562,458.08x = 2,534,283,023,066.73 - Step 5: Solve for x
x = 2,534,283,023,066.73/1,562,458.08 - Step 6: Final answer
x = 1,621,984.65
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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.