Finding the Fourth Proportional to 5,252,119.87, 7,247,980.79 and 2,960,280.56
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Solution
The fourth proportional to 5,252,119.87, 7,247,980.79 and 2,960,280.56 is: 4,085,218.38
Step by Step Solution
- Step 1: Write the proportion equation
5,252,119.87 : 7,247,980.79 = 2,960,280.56 : x - Step 2: Convert to fraction form
5,252,119.87/7,247,980.79 = 2,960,280.56/x - Step 3: Cross multiply
5,252,119.87x = 7,247,980.79 × 2,960,280.56 - Step 4: Simplify right side
5,252,119.87x = 21,456,056,631,890.44 - Step 5: Solve for x
x = 21,456,056,631,890.44/5,252,119.87 - Step 6: Final answer
x = 4,085,218.38
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1.5x scale
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.