Finding the Fourth Proportional to 4,159,503.80, 6,239,255.70 and 2,941,782.20
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Solution
The fourth proportional to 4,159,503.80, 6,239,255.70 and 2,941,782.20 is: 4,412,673.30
Step by Step Solution
- Step 1: Write the proportion equation
4,159,503.80 : 6,239,255.70 = 2,941,782.20 : x - Step 2: Convert to fraction form
4,159,503.80/6,239,255.70 = 2,941,782.20/x - Step 3: Cross multiply
4,159,503.80x = 6,239,255.70 × 2,941,782.20 - Step 4: Simplify right side
4,159,503.80x = 18,354,531,359,508.54 - Step 5: Solve for x
x = 18,354,531,359,508.54/4,159,503.80 - Step 6: Final answer
x = 4,412,673.30
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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.