Finding the Fourth Proportional to 3,416,643.99, 5,126,032.08 and 1,020,583.17
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Solution
The fourth proportional to 3,416,643.99, 5,126,032.08 and 1,020,583.17 is: 1,531,193.21
Step by Step Solution
- Step 1: Write the proportion equation
3,416,643.99 : 5,126,032.08 = 1,020,583.17 : x - Step 2: Convert to fraction form
3,416,643.99/5,126,032.08 = 1,020,583.17/x - Step 3: Cross multiply
3,416,643.99x = 5,126,032.08 × 1,020,583.17 - Step 4: Simplify right side
3,416,643.99x = 5,231,542,069,728.09 - Step 5: Solve for x
x = 5,231,542,069,728.09/3,416,643.99 - Step 6: Final answer
x = 1,531,193.21
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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.