Finding the Fourth Proportional to 2,085,349.05, 3,128,023.58 and 1,637,451.45
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Solution
The fourth proportional to 2,085,349.05, 3,128,023.58 and 1,637,451.45 is: 2,456,177.18
Step by Step Solution
- Step 1: Write the proportion equation
2,085,349.05 : 3,128,023.58 = 1,637,451.45 : x - Step 2: Convert to fraction form
2,085,349.05/3,128,023.58 = 1,637,451.45/x - Step 3: Cross multiply
2,085,349.05x = 3,128,023.58 × 1,637,451.45 - Step 4: Simplify right side
2,085,349.05x = 5,121,986,738,517.93 - Step 5: Solve for x
x = 5,121,986,738,517.93/2,085,349.05 - Step 6: Final answer
x = 2,456,177.18
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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.