Finding the Fourth Proportional to 1,511,079.36, 2,085,297.12 and 866,523.84
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Solution
The fourth proportional to 1,511,079.36, 2,085,297.12 and 866,523.84 is: 1,195,807.26
Step by Step Solution
- Step 1: Write the proportion equation
1,511,079.36 : 2,085,297.12 = 866,523.84 : x - Step 2: Convert to fraction form
1,511,079.36/2,085,297.12 = 866,523.84/x - Step 3: Cross multiply
1,511,079.36x = 2,085,297.12 × 866,523.84 - Step 4: Simplify right side
1,511,079.36x = 1,806,959,667,963.34 - Step 5: Solve for x
x = 1,806,959,667,963.34/1,511,079.36 - Step 6: Final answer
x = 1,195,807.26
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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.