Finding the Fourth Proportional to 3,755,511.54, 5,631,853.05 and 1,358,763.66
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Solution
The fourth proportional to 3,755,511.54, 5,631,853.05 and 1,358,763.66 is: 2,037,633.80
Step by Step Solution
- Step 1: Write the proportion equation
3,755,511.54 : 5,631,853.05 = 1,358,763.66 : x - Step 2: Convert to fraction form
3,755,511.54/5,631,853.05 = 1,358,763.66/x - Step 3: Cross multiply
3,755,511.54x = 5,631,853.05 × 1,358,763.66 - Step 4: Simplify right side
3,755,511.54x = 7,652,357,262,800.16 - Step 5: Solve for x
x = 7,652,357,262,800.16/3,755,511.54 - Step 6: Final answer
x = 2,037,633.80
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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.