Finding the Fourth Proportional to 1,866,281.26, 2,574,852.21 and 1,521,524.49
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Solution
The fourth proportional to 1,866,281.26, 2,574,852.21 and 1,521,524.49 is: 2,099,201.65
Step by Step Solution
- Step 1: Write the proportion equation
1,866,281.26 : 2,574,852.21 = 1,521,524.49 : x - Step 2: Convert to fraction form
1,866,281.26/2,574,852.21 = 1,521,524.49/x - Step 3: Cross multiply
1,866,281.26x = 2,574,852.21 × 1,521,524.49 - Step 4: Simplify right side
1,866,281.26x = 3,917,700,682,771.36 - Step 5: Solve for x
x = 3,917,700,682,771.36/1,866,281.26 - Step 6: Final answer
x = 2,099,201.65
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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.