Finding the Fourth Proportional to 1,585,928.13, 2,187,585.05 and 940,891.65
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Solution
The fourth proportional to 1,585,928.13, 2,187,585.05 and 940,891.65 is: 1,297,839.71
Step by Step Solution
- Step 1: Write the proportion equation
1,585,928.13 : 2,187,585.05 = 940,891.65 : x - Step 2: Convert to fraction form
1,585,928.13/2,187,585.05 = 940,891.65/x - Step 3: Cross multiply
1,585,928.13x = 2,187,585.05 × 940,891.65 - Step 4: Simplify right side
1,585,928.13x = 2,058,280,496,271.91 - Step 5: Solve for x
x = 2,058,280,496,271.91/1,585,928.13 - Step 6: Final answer
x = 1,297,839.71
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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.