Finding the Fourth Proportional to 1,906,079.36, 2,859,120.05 and 1,196,605.62
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Solution
The fourth proportional to 1,906,079.36, 2,859,120.05 and 1,196,605.62 is: 1,794,909.07
Step by Step Solution
- Step 1: Write the proportion equation
1,906,079.36 : 2,859,120.05 = 1,196,605.62 : x - Step 2: Convert to fraction form
1,906,079.36/2,859,120.05 = 1,196,605.62/x - Step 3: Cross multiply
1,906,079.36x = 2,859,120.05 × 1,196,605.62 - Step 4: Simplify right side
1,906,079.36x = 3,421,239,114,101.65 - Step 5: Solve for x
x = 3,421,239,114,101.65/1,906,079.36 - Step 6: Final answer
x = 1,794,909.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.