Finding the Fourth Proportional to 5,478,882.72, 7,560,675.44 and 3,031,498.48
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Solution
The fourth proportional to 5,478,882.72, 7,560,675.44 and 3,031,498.48 is: 4,183,366.81
Step by Step Solution
- Step 1: Write the proportion equation
5,478,882.72 : 7,560,675.44 = 3,031,498.48 : x - Step 2: Convert to fraction form
5,478,882.72/7,560,675.44 = 3,031,498.48/x - Step 3: Cross multiply
5,478,882.72x = 7,560,675.44 × 3,031,498.48 - Step 4: Simplify right side
5,478,882.72x = 22,920,176,104,133.33 - Step 5: Solve for x
x = 22,920,176,104,133.33/5,478,882.72 - Step 6: Final answer
x = 4,183,366.81
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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.