Finding the Fourth Proportional to 4,042,591.20, 6,063,886.80 and 1,645,201.80
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Solution
The fourth proportional to 4,042,591.20, 6,063,886.80 and 1,645,201.80 is: 2,467,802.70
Step by Step Solution
- Step 1: Write the proportion equation
4,042,591.20 : 6,063,886.80 = 1,645,201.80 : x - Step 2: Convert to fraction form
4,042,591.20/6,063,886.80 = 1,645,201.80/x - Step 3: Cross multiply
4,042,591.20x = 6,063,886.80 × 1,645,201.80 - Step 4: Simplify right side
4,042,591.20x = 9,976,317,478,356.24 - Step 5: Solve for x
x = 9,976,317,478,356.24/4,042,591.20 - Step 6: Final answer
x = 2,467,802.70
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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.