Finding the Fourth Proportional to 2,190,176.99, 3,020,777.84 and 1,884,767.30
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Solution
The fourth proportional to 2,190,176.99, 3,020,777.84 and 1,884,767.30 is: 2,599,544.83
Step by Step Solution
- Step 1: Write the proportion equation
2,190,176.99 : 3,020,777.84 = 1,884,767.30 : x - Step 2: Convert to fraction form
2,190,176.99/3,020,777.84 = 1,884,767.30/x - Step 3: Cross multiply
2,190,176.99x = 3,020,777.84 × 1,884,767.30 - Step 4: Simplify right side
2,190,176.99x = 5,693,463,268,868.91 - Step 5: Solve for x
x = 5,693,463,268,868.91/2,190,176.99 - Step 6: Final answer
x = 2,599,544.83
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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.