Finding the Fourth Proportional to 2,485,207.60, 3,727,811.40 and 1,289,465.35
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Solution
The fourth proportional to 2,485,207.60, 3,727,811.40 and 1,289,465.35 is: 1,934,198.03
Step by Step Solution
- Step 1: Write the proportion equation
2,485,207.60 : 3,727,811.40 = 1,289,465.35 : x - Step 2: Convert to fraction form
2,485,207.60/3,727,811.40 = 1,289,465.35/x - Step 3: Cross multiply
2,485,207.60x = 3,727,811.40 × 1,289,465.35 - Step 4: Simplify right side
2,485,207.60x = 4,806,883,631,634.99 - Step 5: Solve for x
x = 4,806,883,631,634.99/2,485,207.60 - Step 6: Final answer
x = 1,934,198.03
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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.