Finding the Fourth Proportional to 1,866,434.26, 2,574,304.15 and 1,407,568.17
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Solution
The fourth proportional to 1,866,434.26, 2,574,304.15 and 1,407,568.17 is: 1,941,407.02
Step by Step Solution
- Step 1: Write the proportion equation
1,866,434.26 : 2,574,304.15 = 1,407,568.17 : x - Step 2: Convert to fraction form
1,866,434.26/2,574,304.15 = 1,407,568.17/x - Step 3: Cross multiply
1,866,434.26x = 2,574,304.15 × 1,407,568.17 - Step 4: Simplify right side
1,866,434.26x = 3,623,508,575,732.36 - Step 5: Solve for x
x = 3,623,508,575,732.36/1,866,434.26 - Step 6: Final answer
x = 1,941,407.02
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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.