Finding the Fourth Proportional to 4,197,454.20, 6,288,923.70 and 1,948,980.60
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Solution
The fourth proportional to 4,197,454.20, 6,288,923.70 and 1,948,980.60 is: 2,920,101.02
Step by Step Solution
- Step 1: Write the proportion equation
4,197,454.20 : 6,288,923.70 = 1,948,980.60 : x - Step 2: Convert to fraction form
4,197,454.20/6,288,923.70 = 1,948,980.60/x - Step 3: Cross multiply
4,197,454.20x = 6,288,923.70 × 1,948,980.60 - Step 4: Simplify right side
4,197,454.20x = 12,256,990,286,180.22 - Step 5: Solve for x
x = 12,256,990,286,180.22/4,197,454.20 - Step 6: Final answer
x = 2,920,101.02
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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.