Finding the Fourth Proportional to 1,489,853.40, 2,239,445.70 and 1,461,859.80
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Solution
The fourth proportional to 1,489,853.40, 2,239,445.70 and 1,461,859.80 is: 2,197,367.64
Step by Step Solution
- Step 1: Write the proportion equation
1,489,853.40 : 2,239,445.70 = 1,461,859.80 : x - Step 2: Convert to fraction form
1,489,853.40/2,239,445.70 = 1,461,859.80/x - Step 3: Cross multiply
1,489,853.40x = 2,239,445.70 × 1,461,859.80 - Step 4: Simplify right side
1,489,853.40x = 3,273,755,643,112.86 - Step 5: Solve for x
x = 3,273,755,643,112.86/1,489,853.40 - Step 6: Final answer
x = 2,197,367.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.