Finding the Fourth Proportional to 1,580,382.06, 2,180,927.18 and 855,229.81
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Solution
The fourth proportional to 1,580,382.06, 2,180,927.18 and 855,229.81 is: 1,180,217.10
Step by Step Solution
- Step 1: Write the proportion equation
1,580,382.06 : 2,180,927.18 = 855,229.81 : x - Step 2: Convert to fraction form
1,580,382.06/2,180,927.18 = 855,229.81/x - Step 3: Cross multiply
1,580,382.06x = 2,180,927.18 × 855,229.81 - Step 4: Simplify right side
1,580,382.06x = 1,865,193,937,775.24 - Step 5: Solve for x
x = 1,865,193,937,775.24/1,580,382.06 - Step 6: Final answer
x = 1,180,217.10
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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.