Finding the Fourth Proportional to 1,583,310.32, 2,185,170.60 and 885,629.91
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Solution
The fourth proportional to 1,583,310.32, 2,185,170.60 and 885,629.91 is: 1,222,282.47
Step by Step Solution
- Step 1: Write the proportion equation
1,583,310.32 : 2,185,170.60 = 885,629.91 : x - Step 2: Convert to fraction form
1,583,310.32/2,185,170.60 = 885,629.91/x - Step 3: Cross multiply
1,583,310.32x = 2,185,170.60 × 885,629.91 - Step 4: Simplify right side
1,583,310.32x = 1,935,252,441,812.65 - Step 5: Solve for x
x = 1,935,252,441,812.65/1,583,310.32 - Step 6: Final answer
x = 1,222,282.47
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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.