Finding the Fourth Proportional to 5,721,525.21, 7,895,788.74 and 3,108,078.44
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Solution
The fourth proportional to 5,721,525.21, 7,895,788.74 and 3,108,078.44 is: 4,289,193.85
Step by Step Solution
- Step 1: Write the proportion equation
5,721,525.21 : 7,895,788.74 = 3,108,078.44 : x - Step 2: Convert to fraction form
5,721,525.21/7,895,788.74 = 3,108,078.44/x - Step 3: Cross multiply
5,721,525.21x = 7,895,788.74 × 3,108,078.44 - Step 4: Simplify right side
5,721,525.21x = 24,540,730,739,719.03 - Step 5: Solve for x
x = 24,540,730,739,719.03/5,721,525.21 - Step 6: Final answer
x = 4,289,193.85
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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.