Finding the Fourth Proportional to 5,022,544.86, 6,931,348.81 and 2,847,130.29
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Solution
The fourth proportional to 5,022,544.86, 6,931,348.81 and 2,847,130.29 is: 3,929,174.09
Step by Step Solution
- Step 1: Write the proportion equation
5,022,544.86 : 6,931,348.81 = 2,847,130.29 : x - Step 2: Convert to fraction form
5,022,544.86/6,931,348.81 = 2,847,130.29/x - Step 3: Cross multiply
5,022,544.86x = 6,931,348.81 × 2,847,130.29 - Step 4: Simplify right side
5,022,544.86x = 19,734,453,140,388.63 - Step 5: Solve for x
x = 19,734,453,140,388.63/5,022,544.86 - Step 6: Final answer
x = 3,929,174.09
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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.