Finding the Fourth Proportional to 2,415,512.20, 3,623,705.70 and 1,214,411.80
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Solution
The fourth proportional to 2,415,512.20, 3,623,705.70 and 1,214,411.80 is: 1,821,837.61
Step by Step Solution
- Step 1: Write the proportion equation
2,415,512.20 : 3,623,705.70 = 1,214,411.80 : x - Step 2: Convert to fraction form
2,415,512.20/3,623,705.70 = 1,214,411.80/x - Step 3: Cross multiply
2,415,512.20x = 3,623,705.70 × 1,214,411.80 - Step 4: Simplify right side
2,415,512.20x = 4,400,670,961,807.26 - Step 5: Solve for x
x = 4,400,670,961,807.26/2,415,512.20 - Step 6: Final answer
x = 1,821,837.61
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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.