Finding the Fourth Proportional to 4,158,878.80, 6,238,318.20 and 3,906,936.40
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Solution
The fourth proportional to 4,158,878.80, 6,238,318.20 and 3,906,936.40 is: 5,860,404.60
Step by Step Solution
- Step 1: Write the proportion equation
4,158,878.80 : 6,238,318.20 = 3,906,936.40 : x - Step 2: Convert to fraction form
4,158,878.80/6,238,318.20 = 3,906,936.40/x - Step 3: Cross multiply
4,158,878.80x = 6,238,318.20 × 3,906,936.40 - Step 4: Simplify right side
4,158,878.80x = 24,372,712,450,362.48 - Step 5: Solve for x
x = 24,372,712,450,362.48/4,158,878.80 - Step 6: Final answer
x = 5,860,404.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.