Finding the Fourth Proportional to 1,468,332.20, 2,201,979.90 and 521,733.80
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Solution
The fourth proportional to 1,468,332.20, 2,201,979.90 and 521,733.80 is: 782,416.50
Step by Step Solution
- Step 1: Write the proportion equation
1,468,332.20 : 2,201,979.90 = 521,733.80 : x - Step 2: Convert to fraction form
1,468,332.20/2,201,979.90 = 521,733.80/x - Step 3: Cross multiply
1,468,332.20x = 2,201,979.90 × 521,733.80 - Step 4: Simplify right side
1,468,332.20x = 1,148,847,340,750.62 - Step 5: Solve for x
x = 1,148,847,340,750.62/1,468,332.20 - Step 6: Final answer
x = 782,416.50
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1.5x scale
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.