Finding the Fourth Proportional to 4,154,921.80, 6,232,382.70 and 1,915,433.80
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Solution
The fourth proportional to 4,154,921.80, 6,232,382.70 and 1,915,433.80 is: 2,873,150.70
Step by Step Solution
- Step 1: Write the proportion equation
4,154,921.80 : 6,232,382.70 = 1,915,433.80 : x - Step 2: Convert to fraction form
4,154,921.80/6,232,382.70 = 1,915,433.80/x - Step 3: Cross multiply
4,154,921.80x = 6,232,382.70 × 1,915,433.80 - Step 4: Simplify right side
4,154,921.80x = 11,937,716,478,115.26 - Step 5: Solve for x
x = 11,937,716,478,115.26/4,154,921.80 - Step 6: Final answer
x = 2,873,150.70
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1.5x scale
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.