Finding the Fourth Proportional to 4,937,490.86, 6,813,415.71 and 2,761,656.62
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Solution
The fourth proportional to 4,937,490.86, 6,813,415.71 and 2,761,656.62 is: 3,810,906.21
Step by Step Solution
- Step 1: Write the proportion equation
4,937,490.86 : 6,813,415.71 = 2,761,656.62 : x - Step 2: Convert to fraction form
4,937,490.86/6,813,415.71 = 2,761,656.62/x - Step 3: Cross multiply
4,937,490.86x = 6,813,415.71 × 2,761,656.62 - Step 4: Simplify right side
4,937,490.86x = 18,816,314,600,333.50 - Step 5: Solve for x
x = 18,816,314,600,333.50/4,937,490.86 - Step 6: Final answer
x = 3,810,906.21
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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.