Finding the Fourth Proportional to 4,434,840.70, 6,652,261.05 and 3,956,543.80
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Solution
The fourth proportional to 4,434,840.70, 6,652,261.05 and 3,956,543.80 is: 5,934,815.70
Step by Step Solution
- Step 1: Write the proportion equation
4,434,840.70 : 6,652,261.05 = 3,956,543.80 : x - Step 2: Convert to fraction form
4,434,840.70/6,652,261.05 = 3,956,543.80/x - Step 3: Cross multiply
4,434,840.70x = 6,652,261.05 × 3,956,543.80 - Step 4: Simplify right side
4,434,840.70x = 26,319,962,213,358.99 - Step 5: Solve for x
x = 26,319,962,213,358.99/4,434,840.70 - Step 6: Final answer
x = 5,934,815.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.