Finding the Fourth Proportional to 2,415,327.20, 3,623,428.20 and 1,214,226.80
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Solution
The fourth proportional to 2,415,327.20, 3,623,428.20 and 1,214,226.80 is: 1,821,560.09
Step by Step Solution
- Step 1: Write the proportion equation
2,415,327.20 : 3,623,428.20 = 1,214,226.80 : x - Step 2: Convert to fraction form
2,415,327.20/3,623,428.20 = 1,214,226.80/x - Step 3: Cross multiply
2,415,327.20x = 3,623,428.20 × 1,214,226.80 - Step 4: Simplify right side
2,415,327.20x = 4,399,663,628,315.76 - Step 5: Solve for x
x = 4,399,663,628,315.76/2,415,327.20 - Step 6: Final answer
x = 1,821,560.09
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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.