Finding the Fourth Proportional to 6,221,346.44, 8,583,491.09 and 4,910,458.64
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Solution
The fourth proportional to 6,221,346.44, 8,583,491.09 and 4,910,458.64 is: 6,774,880.39
Step by Step Solution
- Step 1: Write the proportion equation
6,221,346.44 : 8,583,491.09 = 4,910,458.64 : x - Step 2: Convert to fraction form
6,221,346.44/8,583,491.09 = 4,910,458.64/x - Step 3: Cross multiply
6,221,346.44x = 8,583,491.09 × 4,910,458.64 - Step 4: Simplify right side
6,221,346.44x = 42,148,877,953,612.20 - Step 5: Solve for x
x = 42,148,877,953,612.20/6,221,346.44 - Step 6: Final answer
x = 6,774,880.39
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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.