Finding the Fourth Proportional to 2,931,077.20, 4,397,134.20 and 1,038,917.20
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Solution
The fourth proportional to 2,931,077.20, 4,397,134.20 and 1,038,917.20 is: 1,558,559.55
Step by Step Solution
- Step 1: Write the proportion equation
2,931,077.20 : 4,397,134.20 = 1,038,917.20 : x - Step 2: Convert to fraction form
2,931,077.20/4,397,134.20 = 1,038,917.20/x - Step 3: Cross multiply
2,931,077.20x = 4,397,134.20 × 1,038,917.20 - Step 4: Simplify right side
2,931,077.20x = 4,568,258,351,088.24 - Step 5: Solve for x
x = 4,568,258,351,088.24/2,931,077.20 - Step 6: Final answer
x = 1,558,559.55
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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.