Finding the Fourth Proportional to 4,796,441.78, 6,619,106.84 and 2,620,984.91
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Solution
The fourth proportional to 4,796,441.78, 6,619,106.84 and 2,620,984.91 is: 3,616,968.56
Step by Step Solution
- Step 1: Write the proportion equation
4,796,441.78 : 6,619,106.84 = 2,620,984.91 : x - Step 2: Convert to fraction form
4,796,441.78/6,619,106.84 = 2,620,984.91/x - Step 3: Cross multiply
4,796,441.78x = 6,619,106.84 × 2,620,984.91 - Step 4: Simplify right side
4,796,441.78x = 17,348,579,099,117.32 - Step 5: Solve for x
x = 17,348,579,099,117.32/4,796,441.78 - Step 6: Final answer
x = 3,616,968.56
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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.