Finding the Fourth Proportional to 1,605,512.88, 2,408,671.08 and 1,133,120.88
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Solution
The fourth proportional to 1,605,512.88, 2,408,671.08 and 1,133,120.88 is: 1,699,964.87
Step by Step Solution
- Step 1: Write the proportion equation
1,605,512.88 : 2,408,671.08 = 1,133,120.88 : x - Step 2: Convert to fraction form
1,605,512.88/2,408,671.08 = 1,133,120.88/x - Step 3: Cross multiply
1,605,512.88x = 2,408,671.08 × 1,133,120.88 - Step 4: Simplify right side
1,605,512.88x = 2,729,315,493,800.15 - Step 5: Solve for x
x = 2,729,315,493,800.15/1,605,512.88 - Step 6: Final answer
x = 1,699,964.87
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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.