Finding the Fourth Proportional to 5,353,021.50, 7,386,217.11 and 3,029,902.62
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Solution
The fourth proportional to 5,353,021.50, 7,386,217.11 and 3,029,902.62 is: 4,180,726.45
Step by Step Solution
- Step 1: Write the proportion equation
5,353,021.50 : 7,386,217.11 = 3,029,902.62 : x - Step 2: Convert to fraction form
5,353,021.50/7,386,217.11 = 3,029,902.62/x - Step 3: Cross multiply
5,353,021.50x = 7,386,217.11 × 3,029,902.62 - Step 4: Simplify right side
5,353,021.50x = 22,379,518,573,477.83 - Step 5: Solve for x
x = 22,379,518,573,477.83/5,353,021.50 - Step 6: Final answer
x = 4,180,726.45
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1.5x scale
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.