Finding the Fourth Proportional to 1,585,915.05, 2,187,567.06 and 940,878.44
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Solution
The fourth proportional to 1,585,915.05, 2,187,567.06 and 940,878.44 is: 1,297,821.52
Step by Step Solution
- Step 1: Write the proportion equation
1,585,915.05 : 2,187,567.06 = 940,878.44 : x - Step 2: Convert to fraction form
1,585,915.05/2,187,567.06 = 940,878.44/x - Step 3: Cross multiply
1,585,915.05x = 2,187,567.06 × 940,878.44 - Step 4: Simplify right side
1,585,915.05x = 2,058,234,682,808.19 - Step 5: Solve for x
x = 2,058,234,682,808.19/1,585,915.05 - Step 6: Final answer
x = 1,297,821.52
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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.