Finding the Fourth Proportional to 4,137,872.92, 5,710,175.04 and 2,395,615.78
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Solution
The fourth proportional to 4,137,872.92, 5,710,175.04 and 2,395,615.78 is: 3,305,897.91
Step by Step Solution
- Step 1: Write the proportion equation
4,137,872.92 : 5,710,175.04 = 2,395,615.78 : x - Step 2: Convert to fraction form
4,137,872.92/5,710,175.04 = 2,395,615.78/x - Step 3: Cross multiply
4,137,872.92x = 5,710,175.04 × 2,395,615.78 - Step 4: Simplify right side
4,137,872.92x = 13,679,385,432,386.13 - Step 5: Solve for x
x = 13,679,385,432,386.13/4,137,872.92 - Step 6: Final answer
x = 3,305,897.91
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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.