Finding the Fourth Proportional to 2,347,933.60, 3,240,160.32 and 1,329,536.80
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Solution
The fourth proportional to 2,347,933.60, 3,240,160.32 and 1,329,536.80 is: 1,834,767.55
Step by Step Solution
- Step 1: Write the proportion equation
2,347,933.60 : 3,240,160.32 = 1,329,536.80 : x - Step 2: Convert to fraction form
2,347,933.60/3,240,160.32 = 1,329,536.80/x - Step 3: Cross multiply
2,347,933.60x = 3,240,160.32 × 1,329,536.80 - Step 4: Simplify right side
2,347,933.60x = 4,307,912,383,339.78 - Step 5: Solve for x
x = 4,307,912,383,339.78/2,347,933.60 - Step 6: Final answer
x = 1,834,767.55
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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.