Finding the Fourth Proportional to 3,153,698.97, 4,733,539.19 and 1,951,986.21
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Solution
The fourth proportional to 3,153,698.97, 4,733,539.19 and 1,951,986.21 is: 2,929,830.43
Step by Step Solution
- Step 1: Write the proportion equation
3,153,698.97 : 4,733,539.19 = 1,951,986.21 : x - Step 2: Convert to fraction form
3,153,698.97/4,733,539.19 = 1,951,986.21/x - Step 3: Cross multiply
3,153,698.97x = 4,733,539.19 × 1,951,986.21 - Step 4: Simplify right side
3,153,698.97x = 9,239,803,213,614.64 - Step 5: Solve for x
x = 9,239,803,213,614.64/3,153,698.97 - Step 6: Final answer
x = 2,929,830.43
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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.