Finding the Fourth Proportional to 1,448,434.20, 2,173,169.70 and 607,243.80
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Solution
The fourth proportional to 1,448,434.20, 2,173,169.70 and 607,243.80 is: 911,083.03
Step by Step Solution
- Step 1: Write the proportion equation
1,448,434.20 : 2,173,169.70 = 607,243.80 : x - Step 2: Convert to fraction form
1,448,434.20/2,173,169.70 = 607,243.80/x - Step 3: Cross multiply
1,448,434.20x = 2,173,169.70 × 607,243.80 - Step 4: Simplify right side
1,448,434.20x = 1,319,643,826,672.86 - Step 5: Solve for x
x = 1,319,643,826,672.86/1,448,434.20 - Step 6: Final answer
x = 911,083.03
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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.