Finding the Fourth Proportional to 3,856,819.16, 5,322,368.58 and 2,225,207
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Solution
The fourth proportional to 3,856,819.16, 5,322,368.58 and 2,225,207 is: 3,070,761.51
Step by Step Solution
- Step 1: Write the proportion equation
3,856,819.16 : 5,322,368.58 = 2,225,207 : x - Step 2: Convert to fraction form
3,856,819.16/5,322,368.58 = 2,225,207/x - Step 3: Cross multiply
3,856,819.16x = 5,322,368.58 × 2,225,207 - Step 4: Simplify right side
3,856,819.16x = 11,843,371,820,796.06 - Step 5: Solve for x
x = 11,843,371,820,796.06/3,856,819.16 - Step 6: Final answer
x = 3,070,761.51
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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.