Finding the Fourth Proportional to 4,290,538.57, 5,919,497.79 and 2,429,699.24
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Solution
The fourth proportional to 4,290,538.57, 5,919,497.79 and 2,429,699.24 is: 3,352,166.41
Step by Step Solution
- Step 1: Write the proportion equation
4,290,538.57 : 5,919,497.79 = 2,429,699.24 : x - Step 2: Convert to fraction form
4,290,538.57/5,919,497.79 = 2,429,699.24/x - Step 3: Cross multiply
4,290,538.57x = 5,919,497.79 × 2,429,699.24 - Step 4: Simplify right side
4,290,538.57x = 14,382,599,287,232.05 - Step 5: Solve for x
x = 14,382,599,287,232.05/4,290,538.57 - Step 6: Final answer
x = 3,352,166.41
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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.