Finding the Fourth Proportional to 1,906,866.97, 2,630,377.09 and 1,142,477.66
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Solution
The fourth proportional to 1,906,866.97, 2,630,377.09 and 1,142,477.66 is: 1,575,960.53
Step by Step Solution
- Step 1: Write the proportion equation
1,906,866.97 : 2,630,377.09 = 1,142,477.66 : x - Step 2: Convert to fraction form
1,906,866.97/2,630,377.09 = 1,142,477.66/x - Step 3: Cross multiply
1,906,866.97x = 2,630,377.09 × 1,142,477.66 - Step 4: Simplify right side
1,906,866.97x = 3,005,147,070,704.85 - Step 5: Solve for x
x = 3,005,147,070,704.85/1,906,866.97 - Step 6: Final answer
x = 1,575,960.53
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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.