Finding the Fourth Proportional to 4,205,621.28, 6,308,432.04 and 1,327,279.80
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Solution
The fourth proportional to 4,205,621.28, 6,308,432.04 and 1,327,279.80 is: 1,990,919.74
Step by Step Solution
- Step 1: Write the proportion equation
4,205,621.28 : 6,308,432.04 = 1,327,279.80 : x - Step 2: Convert to fraction form
4,205,621.28/6,308,432.04 = 1,327,279.80/x - Step 3: Cross multiply
4,205,621.28x = 6,308,432.04 × 1,327,279.80 - Step 4: Simplify right side
4,205,621.28x = 8,373,054,416,364.79 - Step 5: Solve for x
x = 8,373,054,416,364.79/4,205,621.28 - Step 6: Final answer
x = 1,990,919.74
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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.