Finding the Fourth Proportional to 3,553,157.69, 5,328,543.08 and 1,156,438.67
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Solution
The fourth proportional to 3,553,157.69, 5,328,543.08 and 1,156,438.67 is: 1,734,269.57
Step by Step Solution
- Step 1: Write the proportion equation
3,553,157.69 : 5,328,543.08 = 1,156,438.67 : x - Step 2: Convert to fraction form
3,553,157.69/5,328,543.08 = 1,156,438.67/x - Step 3: Cross multiply
3,553,157.69x = 5,328,543.08 × 1,156,438.67 - Step 4: Simplify right side
3,553,157.69x = 6,162,133,240,048.00 - Step 5: Solve for x
x = 6,162,133,240,048.00/3,553,157.69 - Step 6: Final answer
x = 1,734,269.57
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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.