Finding the Fourth Proportional to 3,708,371.72, 5,113,653.12 and 2,743,511.08
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Solution
The fourth proportional to 3,708,371.72, 5,113,653.12 and 2,743,511.08 is: 3,783,160.12
Step by Step Solution
- Step 1: Write the proportion equation
3,708,371.72 : 5,113,653.12 = 2,743,511.08 : x - Step 2: Convert to fraction form
3,708,371.72/5,113,653.12 = 2,743,511.08/x - Step 3: Cross multiply
3,708,371.72x = 5,113,653.12 × 2,743,511.08 - Step 4: Simplify right side
3,708,371.72x = 14,029,363,993,996.57 - Step 5: Solve for x
x = 14,029,363,993,996.57/3,708,371.72 - Step 6: Final answer
x = 3,783,160.12
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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.