Finding the Fourth Proportional to 4,098,972.68, 5,656,628.72 and 2,263,428.44
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Solution
The fourth proportional to 4,098,972.68, 5,656,628.72 and 2,263,428.44 is: 3,123,556.88
Step by Step Solution
- Step 1: Write the proportion equation
4,098,972.68 : 5,656,628.72 = 2,263,428.44 : x - Step 2: Convert to fraction form
4,098,972.68/5,656,628.72 = 2,263,428.44/x - Step 3: Cross multiply
4,098,972.68x = 5,656,628.72 × 2,263,428.44 - Step 4: Simplify right side
4,098,972.68x = 12,803,374,319,368.79 - Step 5: Solve for x
x = 12,803,374,319,368.79/4,098,972.68 - Step 6: Final answer
x = 3,123,556.88
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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.