Finding the Fourth Proportional to 5,902,652.34, 8,146,241.28 and 3,455,115.03
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Solution
The fourth proportional to 5,902,652.34, 8,146,241.28 and 3,455,115.03 is: 4,768,398.86
Step by Step Solution
- Step 1: Write the proportion equation
5,902,652.34 : 8,146,241.28 = 3,455,115.03 : x - Step 2: Convert to fraction form
5,902,652.34/8,146,241.28 = 3,455,115.03/x - Step 3: Cross multiply
5,902,652.34x = 8,146,241.28 × 3,455,115.03 - Step 4: Simplify right side
5,902,652.34x = 28,146,200,684,534.44 - Step 5: Solve for x
x = 28,146,200,684,534.44/5,902,652.34 - Step 6: Final answer
x = 4,768,398.86
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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.