Finding the Fourth Proportional to 1,465,207.70, 2,197,811.55 and 986,910.80
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Solution
The fourth proportional to 1,465,207.70, 2,197,811.55 and 986,910.80 is: 1,480,366.20
Step by Step Solution
- Step 1: Write the proportion equation
1,465,207.70 : 2,197,811.55 = 986,910.80 : x - Step 2: Convert to fraction form
1,465,207.70/2,197,811.55 = 986,910.80/x - Step 3: Cross multiply
1,465,207.70x = 2,197,811.55 × 986,910.80 - Step 4: Simplify right side
1,465,207.70x = 2,169,043,955,059.74 - Step 5: Solve for x
x = 2,169,043,955,059.74/1,465,207.70 - Step 6: Final answer
x = 1,480,366.20
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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.