Finding the Fourth Proportional to 1,580,395.34, 2,180,936.94 and 855,241.94
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Solution
The fourth proportional to 1,580,395.34, 2,180,936.94 and 855,241.94 is: 1,180,229.21
Step by Step Solution
- Step 1: Write the proportion equation
1,580,395.34 : 2,180,936.94 = 855,241.94 : x - Step 2: Convert to fraction form
1,580,395.34/2,180,936.94 = 855,241.94/x - Step 3: Cross multiply
1,580,395.34x = 2,180,936.94 × 855,241.94 - Step 4: Simplify right side
1,580,395.34x = 1,865,228,739,583.26 - Step 5: Solve for x
x = 1,865,228,739,583.26/1,580,395.34 - Step 6: Final answer
x = 1,180,229.21
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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.