Finding the Fourth Proportional to 4,279,269.36, 5,905,996.56 and 2,648,202.08
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Solution
The fourth proportional to 4,279,269.36, 5,905,996.56 and 2,648,202.08 is: 3,654,893.17
Step by Step Solution
- Step 1: Write the proportion equation
4,279,269.36 : 5,905,996.56 = 2,648,202.08 : x - Step 2: Convert to fraction form
4,279,269.36/5,905,996.56 = 2,648,202.08/x - Step 3: Cross multiply
4,279,269.36x = 5,905,996.56 × 2,648,202.08 - Step 4: Simplify right side
4,279,269.36x = 15,640,272,374,664.84 - Step 5: Solve for x
x = 15,640,272,374,664.84/4,279,269.36 - Step 6: Final answer
x = 3,654,893.17
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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.