Finding the Fourth Proportional to 5,478,794.56, 7,560,959.57 and 3,031,365.97
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Solution
The fourth proportional to 5,478,794.56, 7,560,959.57 and 3,031,365.97 is: 4,183,408.46
Step by Step Solution
- Step 1: Write the proportion equation
5,478,794.56 : 7,560,959.57 = 3,031,365.97 : x - Step 2: Convert to fraction form
5,478,794.56/7,560,959.57 = 3,031,365.97/x - Step 3: Cross multiply
5,478,794.56x = 7,560,959.57 × 3,031,365.97 - Step 4: Simplify right side
5,478,794.56x = 22,920,035,518,352.22 - Step 5: Solve for x
x = 22,920,035,518,352.22/5,478,794.56 - Step 6: Final answer
x = 4,183,408.46
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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.