Finding the Fourth Proportional to 2,931,903.10, 4,397,708.85 and 1,512,102.70
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Solution
The fourth proportional to 2,931,903.10, 4,397,708.85 and 1,512,102.70 is: 2,268,078.85
Step by Step Solution
- Step 1: Write the proportion equation
2,931,903.10 : 4,397,708.85 = 1,512,102.70 : x - Step 2: Convert to fraction form
2,931,903.10/4,397,708.85 = 1,512,102.70/x - Step 3: Cross multiply
2,931,903.10x = 4,397,708.85 × 1,512,102.70 - Step 4: Simplify right side
2,931,903.10x = 6,649,787,425,898.90 - Step 5: Solve for x
x = 6,649,787,425,898.90/2,931,903.10 - Step 6: Final answer
x = 2,268,078.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.