Finding the Fourth Proportional to 1,664,467.92, 2,296,926.18 and 939,296.34
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Solution
The fourth proportional to 1,664,467.92, 2,296,926.18 and 939,296.34 is: 1,296,206.63
Step by Step Solution
- Step 1: Write the proportion equation
1,664,467.92 : 2,296,926.18 = 939,296.34 : x - Step 2: Convert to fraction form
1,664,467.92/2,296,926.18 = 939,296.34/x - Step 3: Cross multiply
1,664,467.92x = 2,296,926.18 × 939,296.34 - Step 4: Simplify right side
1,664,467.92x = 2,157,494,354,124.18 - Step 5: Solve for x
x = 2,157,494,354,124.18/1,664,467.92 - Step 6: Final answer
x = 1,296,206.63
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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.