Finding the Fourth Proportional to 6,448,192.13, 8,898,504.76 and 3,547,520.70
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Solution
The fourth proportional to 6,448,192.13, 8,898,504.76 and 3,547,520.70 is: 4,895,578.36
Step by Step Solution
- Step 1: Write the proportion equation
6,448,192.13 : 8,898,504.76 = 3,547,520.70 : x - Step 2: Convert to fraction form
6,448,192.13/8,898,504.76 = 3,547,520.70/x - Step 3: Cross multiply
6,448,192.13x = 8,898,504.76 × 3,547,520.70 - Step 4: Simplify right side
6,448,192.13x = 31,567,629,835,148.53 - Step 5: Solve for x
x = 31,567,629,835,148.53/6,448,192.13 - Step 6: Final answer
x = 4,895,578.36
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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.