Finding the Fourth Proportional to 2,996,484.01, 4,135,147.94 and 1,638,357.01
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Solution
The fourth proportional to 2,996,484.01, 4,135,147.94 and 1,638,357.01 is: 2,260,932.68
Step by Step Solution
- Step 1: Write the proportion equation
2,996,484.01 : 4,135,147.94 = 1,638,357.01 : x - Step 2: Convert to fraction form
2,996,484.01/4,135,147.94 = 1,638,357.01/x - Step 3: Cross multiply
2,996,484.01x = 4,135,147.94 × 1,638,357.01 - Step 4: Simplify right side
2,996,484.01x = 6,774,848,614,886.06 - Step 5: Solve for x
x = 6,774,848,614,886.06/2,996,484.01 - Step 6: Final answer
x = 2,260,932.68
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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.