Finding the Fourth Proportional to 4,680,038.10, 6,458,702.05 and 2,615,103.79
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Solution
The fourth proportional to 4,680,038.10, 6,458,702.05 and 2,615,103.79 is: 3,608,982.64
Step by Step Solution
- Step 1: Write the proportion equation
4,680,038.10 : 6,458,702.05 = 2,615,103.79 : x - Step 2: Convert to fraction form
4,680,038.10/6,458,702.05 = 2,615,103.79/x - Step 3: Cross multiply
4,680,038.10x = 6,458,702.05 × 2,615,103.79 - Step 4: Simplify right side
4,680,038.10x = 16,890,176,232,120.29 - Step 5: Solve for x
x = 16,890,176,232,120.29/4,680,038.10 - Step 6: Final answer
x = 3,608,982.64
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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.