Finding the Fourth Proportional to 3,245,869.97, 4,478,913.02 and 1,795,368.24
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Solution
The fourth proportional to 3,245,869.97, 4,478,913.02 and 1,795,368.24 is: 2,477,393.82
Step by Step Solution
- Step 1: Write the proportion equation
3,245,869.97 : 4,478,913.02 = 1,795,368.24 : x - Step 2: Convert to fraction form
3,245,869.97/4,478,913.02 = 1,795,368.24/x - Step 3: Cross multiply
3,245,869.97x = 4,478,913.02 × 1,795,368.24 - Step 4: Simplify right side
3,245,869.97x = 8,041,298,190,318.91 - Step 5: Solve for x
x = 8,041,298,190,318.91/3,245,869.97 - Step 6: Final answer
x = 2,477,393.82
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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.