Finding the Fourth Proportional to 4,136,490.40, 6,208,234.80 and 1,865,509.60
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Solution
The fourth proportional to 4,136,490.40, 6,208,234.80 and 1,865,509.60 is: 2,799,842.50
Step by Step Solution
- Step 1: Write the proportion equation
4,136,490.40 : 6,208,234.80 = 1,865,509.60 : x - Step 2: Convert to fraction form
4,136,490.40/6,208,234.80 = 1,865,509.60/x - Step 3: Cross multiply
4,136,490.40x = 6,208,234.80 × 1,865,509.60 - Step 4: Simplify right side
4,136,490.40x = 11,581,521,618,454.08 - Step 5: Solve for x
x = 11,581,521,618,454.08/4,136,490.40 - Step 6: Final answer
x = 2,799,842.50
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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.