Finding the Fourth Proportional to 1,908,394.08, 2,633,451.12 and 1,048,932.96
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Solution
The fourth proportional to 1,908,394.08, 2,633,451.12 and 1,048,932.96 is: 1,447,454.54
Step by Step Solution
- Step 1: Write the proportion equation
1,908,394.08 : 2,633,451.12 = 1,048,932.96 : x - Step 2: Convert to fraction form
1,908,394.08/2,633,451.12 = 1,048,932.96/x - Step 3: Cross multiply
1,908,394.08x = 2,633,451.12 × 1,048,932.96 - Step 4: Simplify right side
1,908,394.08x = 2,762,313,678,316.92 - Step 5: Solve for x
x = 2,762,313,678,316.92/1,908,394.08 - Step 6: Final answer
x = 1,447,454.54
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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.