Finding the Fourth Proportional to 4,881,239.28, 6,736,357.44 and 2,815,486.56
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Solution
The fourth proportional to 4,881,239.28, 6,736,357.44 and 2,815,486.56 is: 3,885,514.06
Step by Step Solution
- Step 1: Write the proportion equation
4,881,239.28 : 6,736,357.44 = 2,815,486.56 : x - Step 2: Convert to fraction form
4,881,239.28/6,736,357.44 = 2,815,486.56/x - Step 3: Cross multiply
4,881,239.28x = 6,736,357.44 × 2,815,486.56 - Step 4: Simplify right side
4,881,239.28x = 18,966,123,835,676.01 - Step 5: Solve for x
x = 18,966,123,835,676.01/4,881,239.28 - Step 6: Final answer
x = 3,885,514.06
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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.