Finding the Fourth Proportional to 5,695,746.24, 7,860,129.83 and 3,117,427.02
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Solution
The fourth proportional to 5,695,746.24, 7,860,129.83 and 3,117,427.02 is: 4,302,049.30
Step by Step Solution
- Step 1: Write the proportion equation
5,695,746.24 : 7,860,129.83 = 3,117,427.02 : x - Step 2: Convert to fraction form
5,695,746.24/7,860,129.83 = 3,117,427.02/x - Step 3: Cross multiply
5,695,746.24x = 7,860,129.83 × 3,117,427.02 - Step 4: Simplify right side
5,695,746.24x = 24,503,381,097,162.87 - Step 5: Solve for x
x = 24,503,381,097,162.87/5,695,746.24 - Step 6: Final answer
x = 4,302,049.30
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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.