Finding the Fourth Proportional to 2,634,434.75, 3,635,523.60 and 1,427,210.75
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Solution
The fourth proportional to 2,634,434.75, 3,635,523.60 and 1,427,210.75 is: 1,969,552.81
Step by Step Solution
- Step 1: Write the proportion equation
2,634,434.75 : 3,635,523.60 = 1,427,210.75 : x - Step 2: Convert to fraction form
2,634,434.75/3,635,523.60 = 1,427,210.75/x - Step 3: Cross multiply
2,634,434.75x = 3,635,523.60 × 1,427,210.75 - Step 4: Simplify right side
2,634,434.75x = 5,188,658,363,798.70 - Step 5: Solve for x
x = 5,188,658,363,798.70/2,634,434.75 - Step 6: Final answer
x = 1,969,552.81
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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.