Finding the Fourth Proportional to 4,525,489.92, 6,788,231.76 and 1,330,642.56
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Solution
The fourth proportional to 4,525,489.92, 6,788,231.76 and 1,330,642.56 is: 1,995,962.92
Step by Step Solution
- Step 1: Write the proportion equation
4,525,489.92 : 6,788,231.76 = 1,330,642.56 : x - Step 2: Convert to fraction form
4,525,489.92/6,788,231.76 = 1,330,642.56/x - Step 3: Cross multiply
4,525,489.92x = 6,788,231.76 × 1,330,642.56 - Step 4: Simplify right side
4,525,489.92x = 9,032,710,086,999.71 - Step 5: Solve for x
x = 9,032,710,086,999.71/4,525,489.92 - Step 6: Final answer
x = 1,995,962.92
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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.