Finding the Fourth Proportional to 3,553,341.20, 5,330,385.21 and 1,157,372.54
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Solution
The fourth proportional to 3,553,341.20, 5,330,385.21 and 1,157,372.54 is: 1,736,180.43
Step by Step Solution
- Step 1: Write the proportion equation
3,553,341.20 : 5,330,385.21 = 1,157,372.54 : x - Step 2: Convert to fraction form
3,553,341.20/5,330,385.21 = 1,157,372.54/x - Step 3: Cross multiply
3,553,341.20x = 5,330,385.21 × 1,157,372.54 - Step 4: Simplify right side
3,553,341.20x = 6,169,241,469,676.13 - Step 5: Solve for x
x = 6,169,241,469,676.13/3,553,341.20 - Step 6: Final answer
x = 1,736,180.43
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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.