Finding the Fourth Proportional to 4,815,842.58, 6,644,927.07 and 2,855,358.54
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Solution
The fourth proportional to 4,815,842.58, 6,644,927.07 and 2,855,358.54 is: 3,939,840.01
Step by Step Solution
- Step 1: Write the proportion equation
4,815,842.58 : 6,644,927.07 = 2,855,358.54 : x - Step 2: Convert to fraction form
4,815,842.58/6,644,927.07 = 2,855,358.54/x - Step 3: Cross multiply
4,815,842.58x = 6,644,927.07 × 2,855,358.54 - Step 4: Simplify right side
4,815,842.58x = 18,973,649,257,001.68 - Step 5: Solve for x
x = 18,973,649,257,001.68/4,815,842.58 - Step 6: Final answer
x = 3,939,840.01
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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.