Finding the Fourth Proportional to 4,947,316.87, 7,421,907.58 and 1,874,228.19
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Solution
The fourth proportional to 4,947,316.87, 7,421,907.58 and 1,874,228.19 is: 2,811,695.47
Step by Step Solution
- Step 1: Write the proportion equation
4,947,316.87 : 7,421,907.58 = 1,874,228.19 : x - Step 2: Convert to fraction form
4,947,316.87/7,421,907.58 = 1,874,228.19/x - Step 3: Cross multiply
4,947,316.87x = 7,421,907.58 × 1,874,228.19 - Step 4: Simplify right side
4,947,316.87x = 13,910,348,410,010.68 - Step 5: Solve for x
x = 13,910,348,410,010.68/4,947,316.87 - Step 6: Final answer
x = 2,811,695.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.