Finding the Fourth Proportional to 3,016,486.08, 4,162,774.68 and 1,639,829.52
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Solution
The fourth proportional to 3,016,486.08, 4,162,774.68 and 1,639,829.52 is: 2,262,977.72
Step by Step Solution
- Step 1: Write the proportion equation
3,016,486.08 : 4,162,774.68 = 1,639,829.52 : x - Step 2: Convert to fraction form
3,016,486.08/4,162,774.68 = 1,639,829.52/x - Step 3: Cross multiply
3,016,486.08x = 4,162,774.68 × 1,639,829.52 - Step 4: Simplify right side
3,016,486.08x = 6,826,240,805,372.55 - Step 5: Solve for x
x = 6,826,240,805,372.55/3,016,486.08 - Step 6: Final answer
x = 2,262,977.72
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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.