Finding the Fourth Proportional to 2,163,881.40, 3,246,113.70 and 744,372.60
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Solution
The fourth proportional to 2,163,881.40, 3,246,113.70 and 744,372.60 is: 1,116,659.21
Step by Step Solution
- Step 1: Write the proportion equation
2,163,881.40 : 3,246,113.70 = 744,372.60 : x - Step 2: Convert to fraction form
2,163,881.40/3,246,113.70 = 744,372.60/x - Step 3: Cross multiply
2,163,881.40x = 3,246,113.70 × 744,372.60 - Step 4: Simplify right side
2,163,881.40x = 2,416,318,094,764.62 - Step 5: Solve for x
x = 2,416,318,094,764.62/2,163,881.40 - Step 6: Final answer
x = 1,116,659.21
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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.