Finding the Fourth Proportional to 2,449,475.45, 3,381,925.61 and 2,190,549.05
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Solution
The fourth proportional to 2,449,475.45, 3,381,925.61 and 2,190,549.05 is: 3,024,432.82
Step by Step Solution
- Step 1: Write the proportion equation
2,449,475.45 : 3,381,925.61 = 2,190,549.05 : x - Step 2: Convert to fraction form
2,449,475.45/3,381,925.61 = 2,190,549.05/x - Step 3: Cross multiply
2,449,475.45x = 3,381,925.61 × 2,190,549.05 - Step 4: Simplify right side
2,449,475.45x = 7,408,273,920,722.91 - Step 5: Solve for x
x = 7,408,273,920,722.91/2,449,475.45 - Step 6: Final answer
x = 3,024,432.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.