Finding the Fourth Proportional to 5,736,539.39, 7,916,123.84 and 3,157,716.47
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Solution
The fourth proportional to 5,736,539.39, 7,916,123.84 and 3,157,716.47 is: 4,357,483.30
Step by Step Solution
- Step 1: Write the proportion equation
5,736,539.39 : 7,916,123.84 = 3,157,716.47 : x - Step 2: Convert to fraction form
5,736,539.39/7,916,123.84 = 3,157,716.47/x - Step 3: Cross multiply
5,736,539.39x = 7,916,123.84 × 3,157,716.47 - Step 4: Simplify right side
5,736,539.39x = 24,996,874,572,758.44 - Step 5: Solve for x
x = 24,996,874,572,758.44/5,736,539.39 - Step 6: Final answer
x = 4,357,483.30
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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.