Finding the Fourth Proportional to 1,726,434.20, 2,590,397.58 and 926,781.92
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Solution
The fourth proportional to 1,726,434.20, 2,590,397.58 and 926,781.92 is: 1,390,573.50
Step by Step Solution
- Step 1: Write the proportion equation
1,726,434.20 : 2,590,397.58 = 926,781.92 : x - Step 2: Convert to fraction form
1,726,434.20/2,590,397.58 = 926,781.92/x - Step 3: Cross multiply
1,726,434.20x = 2,590,397.58 × 926,781.92 - Step 4: Simplify right side
1,726,434.20x = 2,400,733,642,755.75 - Step 5: Solve for x
x = 2,400,733,642,755.75/1,726,434.20 - Step 6: Final answer
x = 1,390,573.50
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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.