Finding the Fourth Proportional to 1,580,372.91, 2,180,914.56 and 855,220.62
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Solution
The fourth proportional to 1,580,372.91, 2,180,914.56 and 855,220.62 is: 1,180,204.43
Step by Step Solution
- Step 1: Write the proportion equation
1,580,372.91 : 2,180,914.56 = 855,220.62 : x - Step 2: Convert to fraction form
1,580,372.91/2,180,914.56 = 855,220.62/x - Step 3: Cross multiply
1,580,372.91x = 2,180,914.56 × 855,220.62 - Step 4: Simplify right side
1,580,372.91x = 1,865,163,102,170.23 - Step 5: Solve for x
x = 1,865,163,102,170.23/1,580,372.91 - Step 6: Final answer
x = 1,180,204.43
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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.