Finding the Fourth Proportional to 6,228,175.78, 8,593,261.68 and 3,648,472.59
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Solution
The fourth proportional to 6,228,175.78, 8,593,261.68 and 3,648,472.59 is: 5,033,942.65
Step by Step Solution
- Step 1: Write the proportion equation
6,228,175.78 : 8,593,261.68 = 3,648,472.59 : x - Step 2: Convert to fraction form
6,228,175.78/8,593,261.68 = 3,648,472.59/x - Step 3: Cross multiply
6,228,175.78x = 8,593,261.68 × 3,648,472.59 - Step 4: Simplify right side
6,228,175.78x = 31,352,279,664,962.77 - Step 5: Solve for x
x = 31,352,279,664,962.77/6,228,175.78 - Step 6: Final answer
x = 5,033,942.65
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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.