Finding the Fourth Proportional to 4,608,718.42, 6,358,257.57 and 2,886,841.30
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Solution
The fourth proportional to 4,608,718.42, 6,358,257.57 and 2,886,841.30 is: 3,982,729.88
Step by Step Solution
- Step 1: Write the proportion equation
4,608,718.42 : 6,358,257.57 = 2,886,841.30 : x - Step 2: Convert to fraction form
4,608,718.42/6,358,257.57 = 2,886,841.30/x - Step 3: Cross multiply
4,608,718.42x = 6,358,257.57 × 2,886,841.30 - Step 4: Simplify right side
4,608,718.42x = 18,355,280,549,113.64 - Step 5: Solve for x
x = 18,355,280,549,113.64/4,608,718.42 - Step 6: Final answer
x = 3,982,729.88
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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.