Finding the Fourth Proportional to 4,955,392.11, 7,432,789.47 and 2,946,420.58
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Solution
The fourth proportional to 4,955,392.11, 7,432,789.47 and 2,946,420.58 is: 4,419,453.26
Step by Step Solution
- Step 1: Write the proportion equation
4,955,392.11 : 7,432,789.47 = 2,946,420.58 : x - Step 2: Convert to fraction form
4,955,392.11/7,432,789.47 = 2,946,420.58/x - Step 3: Cross multiply
4,955,392.11x = 7,432,789.47 × 2,946,420.58 - Step 4: Simplify right side
4,955,392.11x = 21,900,123,831,584.24 - Step 5: Solve for x
x = 21,900,123,831,584.24/4,955,392.11 - Step 6: Final answer
x = 4,419,453.26
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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.