Finding the Fourth Proportional to 4,273,225.20, 6,408,282.60 and 2,142,601.20
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Solution
The fourth proportional to 4,273,225.20, 6,408,282.60 and 2,142,601.20 is: 3,213,122.02
Step by Step Solution
- Step 1: Write the proportion equation
4,273,225.20 : 6,408,282.60 = 2,142,601.20 : x - Step 2: Convert to fraction form
4,273,225.20/6,408,282.60 = 2,142,601.20/x - Step 3: Cross multiply
4,273,225.20x = 6,408,282.60 × 2,142,601.20 - Step 4: Simplify right side
4,273,225.20x = 13,730,393,988,699.12 - Step 5: Solve for x
x = 13,730,393,988,699.12/4,273,225.20 - Step 6: Final answer
x = 3,213,122.02
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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.