Finding the Fourth Proportional to 6,828,472.64, 9,420,331.92 and 4,110,644
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Solution
The fourth proportional to 6,828,472.64, 9,420,331.92 and 4,110,644 is: 5,670,906.65
Step by Step Solution
- Step 1: Write the proportion equation
6,828,472.64 : 9,420,331.92 = 4,110,644 : x - Step 2: Convert to fraction form
6,828,472.64/9,420,331.92 = 4,110,644/x - Step 3: Cross multiply
6,828,472.64x = 9,420,331.92 × 4,110,644 - Step 4: Simplify right side
6,828,472.64x = 38,723,630,884,956.48 - Step 5: Solve for x
x = 38,723,630,884,956.48/6,828,472.64 - Step 6: Final answer
x = 5,670,906.65
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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.