Finding the Fourth Proportional to 3,330,370.40, 4,595,654.61 and 1,880,209.17
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Solution
The fourth proportional to 3,330,370.40, 4,595,654.61 and 1,880,209.17 is: 2,594,543.82
Step by Step Solution
- Step 1: Write the proportion equation
3,330,370.40 : 4,595,654.61 = 1,880,209.17 : x - Step 2: Convert to fraction form
3,330,370.40/4,595,654.61 = 1,880,209.17/x - Step 3: Cross multiply
3,330,370.40x = 4,595,654.61 × 1,880,209.17 - Step 4: Simplify right side
3,330,370.40x = 8,640,791,939,874.78 - Step 5: Solve for x
x = 8,640,791,939,874.78/3,330,370.40 - Step 6: Final answer
x = 2,594,543.82
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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.