Finding the Fourth Proportional to 2,352,021.20, 3,528,031.80 and 579,093.20
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Solution
The fourth proportional to 2,352,021.20, 3,528,031.80 and 579,093.20 is: 868,639.80
Step by Step Solution
- Step 1: Write the proportion equation
2,352,021.20 : 3,528,031.80 = 579,093.20 : x - Step 2: Convert to fraction form
2,352,021.20/3,528,031.80 = 579,093.20/x - Step 3: Cross multiply
2,352,021.20x = 3,528,031.80 × 579,093.20 - Step 4: Simplify right side
2,352,021.20x = 2,043,059,224,763.76 - Step 5: Solve for x
x = 2,043,059,224,763.76/2,352,021.20 - Step 6: Final answer
x = 868,639.80
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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.