Finding the Fourth Proportional to 2,864,370.64, 3,952,932.92 and 1,575,310.80
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Solution
The fourth proportional to 2,864,370.64, 3,952,932.92 and 1,575,310.80 is: 2,173,984.69
Step by Step Solution
- Step 1: Write the proportion equation
2,864,370.64 : 3,952,932.92 = 1,575,310.80 : x - Step 2: Convert to fraction form
2,864,370.64/3,952,932.92 = 1,575,310.80/x - Step 3: Cross multiply
2,864,370.64x = 3,952,932.92 × 1,575,310.80 - Step 4: Simplify right side
2,864,370.64x = 6,227,097,920,551.54 - Step 5: Solve for x
x = 6,227,097,920,551.54/2,864,370.64 - Step 6: Final answer
x = 2,173,984.69
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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.