Finding the Fourth Proportional to 1,580,366.27, 2,180,905.45 and 855,213.99
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Solution
The fourth proportional to 1,580,366.27, 2,180,905.45 and 855,213.99 is: 1,180,195.30
Step by Step Solution
- Step 1: Write the proportion equation
1,580,366.27 : 2,180,905.45 = 855,213.99 : x - Step 2: Convert to fraction form
1,580,366.27/2,180,905.45 = 855,213.99/x - Step 3: Cross multiply
1,580,366.27x = 2,180,905.45 × 855,213.99 - Step 4: Simplify right side
1,580,366.27x = 1,865,140,851,707.25 - Step 5: Solve for x
x = 1,865,140,851,707.25/1,580,366.27 - Step 6: Final answer
x = 1,180,195.30
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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.