Finding the Fourth Proportional to 2,625,415.20, 3,930,249.60 and 1,559,908.80
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Solution
The fourth proportional to 2,625,415.20, 3,930,249.60 and 1,559,908.80 is: 2,335,185.28
Step by Step Solution
- Step 1: Write the proportion equation
2,625,415.20 : 3,930,249.60 = 1,559,908.80 : x - Step 2: Convert to fraction form
2,625,415.20/3,930,249.60 = 1,559,908.80/x - Step 3: Cross multiply
2,625,415.20x = 3,930,249.60 × 1,559,908.80 - Step 4: Simplify right side
2,625,415.20x = 6,130,830,937,236.48 - Step 5: Solve for x
x = 6,130,830,937,236.48/2,625,415.20 - Step 6: Final answer
x = 2,335,185.28
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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.