Finding the Fourth Proportional to 1,866,282.19, 2,574,853.51 and 1,521,525.42
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Solution
The fourth proportional to 1,866,282.19, 2,574,853.51 and 1,521,525.42 is: 2,099,202.94
Step by Step Solution
- Step 1: Write the proportion equation
1,866,282.19 : 2,574,853.51 = 1,521,525.42 : x - Step 2: Convert to fraction form
1,866,282.19/2,574,853.51 = 1,521,525.42/x - Step 3: Cross multiply
1,866,282.19x = 2,574,853.51 × 1,521,525.42 - Step 4: Simplify right side
1,866,282.19x = 3,917,705,068,241.22 - Step 5: Solve for x
x = 3,917,705,068,241.22/1,866,282.19 - Step 6: Final answer
x = 2,099,202.94
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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.