Finding the Fourth Proportional to 5,413,576.48, 8,120,738.36 and 1,575,430.64
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Solution
The fourth proportional to 5,413,576.48, 8,120,738.36 and 1,575,430.64 is: 2,363,254.69
Step by Step Solution
- Step 1: Write the proportion equation
5,413,576.48 : 8,120,738.36 = 1,575,430.64 : x - Step 2: Convert to fraction form
5,413,576.48/8,120,738.36 = 1,575,430.64/x - Step 3: Cross multiply
5,413,576.48x = 8,120,738.36 × 1,575,430.64 - Step 4: Simplify right side
5,413,576.48x = 12,793,660,031,767.35 - Step 5: Solve for x
x = 12,793,660,031,767.35/5,413,576.48 - Step 6: Final answer
x = 2,363,254.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.