Finding the Fourth Proportional to 1,493,489.16, 2,239,987.50 and 640,698.48
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Solution
The fourth proportional to 1,493,489.16, 2,239,987.50 and 640,698.48 is: 960,942.08
Step by Step Solution
- Step 1: Write the proportion equation
1,493,489.16 : 2,239,987.50 = 640,698.48 : x - Step 2: Convert to fraction form
1,493,489.16/2,239,987.50 = 640,698.48/x - Step 3: Cross multiply
1,493,489.16x = 2,239,987.50 × 640,698.48 - Step 4: Simplify right side
1,493,489.16x = 1,435,156,586,469 - Step 5: Solve for x
x = 1,435,156,586,469/1,493,489.16 - Step 6: Final answer
x = 960,942.08
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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.