Finding the Fourth Proportional to 1,664,473.52, 2,296,972.68 and 939,473.30
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Solution
The fourth proportional to 1,664,473.52, 2,296,972.68 and 939,473.30 is: 1,296,472.72
Step by Step Solution
- Step 1: Write the proportion equation
1,664,473.52 : 2,296,972.68 = 939,473.30 : x - Step 2: Convert to fraction form
1,664,473.52/2,296,972.68 = 939,473.30/x - Step 3: Cross multiply
1,664,473.52x = 2,296,972.68 × 939,473.30 - Step 4: Simplify right side
1,664,473.52x = 2,157,944,503,689.44 - Step 5: Solve for x
x = 2,157,944,503,689.44/1,664,473.52 - Step 6: Final answer
x = 1,296,472.72
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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.