Finding the Fourth Proportional to 1,580,371.26, 2,180,912.29 and 855,218.98
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Solution
The fourth proportional to 1,580,371.26, 2,180,912.29 and 855,218.98 is: 1,180,202.17
Step by Step Solution
- Step 1: Write the proportion equation
1,580,371.26 : 2,180,912.29 = 855,218.98 : x - Step 2: Convert to fraction form
1,580,371.26/2,180,912.29 = 855,218.98/x - Step 3: Cross multiply
1,580,371.26x = 2,180,912.29 × 855,218.98 - Step 4: Simplify right side
1,580,371.26x = 1,865,157,584,123.26 - Step 5: Solve for x
x = 1,865,157,584,123.26/1,580,371.26 - Step 6: Final answer
x = 1,180,202.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.