Finding the Fourth Proportional to 1,698,357.39, 2,343,751.80 and 923,992.63
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Solution
The fourth proportional to 1,698,357.39, 2,343,751.80 and 923,992.63 is: 1,275,119.95
Step by Step Solution
- Step 1: Write the proportion equation
1,698,357.39 : 2,343,751.80 = 923,992.63 : x - Step 2: Convert to fraction form
1,698,357.39/2,343,751.80 = 923,992.63/x - Step 3: Cross multiply
1,698,357.39x = 2,343,751.80 × 923,992.63 - Step 4: Simplify right side
1,698,357.39x = 2,165,609,387,439.25 - Step 5: Solve for x
x = 2,165,609,387,439.25/1,698,357.39 - Step 6: Final answer
x = 1,275,119.95
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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.