Finding the Fourth Proportional to 3,118,429.36, 4,307,562.66 and 2,508,878.44
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Solution
The fourth proportional to 3,118,429.36, 4,307,562.66 and 2,508,878.44 is: 3,465,575.08
Step by Step Solution
- Step 1: Write the proportion equation
3,118,429.36 : 4,307,562.66 = 2,508,878.44 : x - Step 2: Convert to fraction form
3,118,429.36/4,307,562.66 = 2,508,878.44/x - Step 3: Cross multiply
3,118,429.36x = 4,307,562.66 × 2,508,878.44 - Step 4: Simplify right side
3,118,429.36x = 10,807,151,086,623.05 - Step 5: Solve for x
x = 10,807,151,086,623.05/3,118,429.36 - Step 6: Final answer
x = 3,465,575.08
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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.