Finding the Fourth Proportional to 5,251,425.43, 7,875,244.42 and 2,219,026.31
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Solution
The fourth proportional to 5,251,425.43, 7,875,244.42 and 2,219,026.31 is: 3,327,739.26
Step by Step Solution
- Step 1: Write the proportion equation
5,251,425.43 : 7,875,244.42 = 2,219,026.31 : x - Step 2: Convert to fraction form
5,251,425.43/7,875,244.42 = 2,219,026.31/x - Step 3: Cross multiply
5,251,425.43x = 7,875,244.42 × 2,219,026.31 - Step 4: Simplify right side
5,251,425.43x = 17,475,374,548,279.90 - Step 5: Solve for x
x = 17,475,374,548,279.90/5,251,425.43 - Step 6: Final answer
x = 3,327,739.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.