Finding the Fourth Proportional to 4,984,012.62, 6,877,940.18 and 2,692,173.32
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Solution
The fourth proportional to 4,984,012.62, 6,877,940.18 and 2,692,173.32 is: 3,715,200.67
Step by Step Solution
- Step 1: Write the proportion equation
4,984,012.62 : 6,877,940.18 = 2,692,173.32 : x - Step 2: Convert to fraction form
4,984,012.62/6,877,940.18 = 2,692,173.32/x - Step 3: Cross multiply
4,984,012.62x = 6,877,940.18 × 2,692,173.32 - Step 4: Simplify right side
4,984,012.62x = 18,516,607,049,152.00 - Step 5: Solve for x
x = 18,516,607,049,152.00/4,984,012.62 - Step 6: Final answer
x = 3,715,200.67
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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.