Finding the Fourth Proportional to 1,580,371.77, 2,180,912.99 and 855,219.48
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Solution
The fourth proportional to 1,580,371.77, 2,180,912.99 and 855,219.48 is: 1,180,202.85
Step by Step Solution
- Step 1: Write the proportion equation
1,580,371.77 : 2,180,912.99 = 855,219.48 : x - Step 2: Convert to fraction form
1,580,371.77/2,180,912.99 = 855,219.48/x - Step 3: Cross multiply
1,580,371.77x = 2,180,912.99 × 855,219.48 - Step 4: Simplify right side
1,580,371.77x = 1,865,159,268,956.95 - Step 5: Solve for x
x = 1,865,159,268,956.95/1,580,371.77 - Step 6: Final answer
x = 1,180,202.85
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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.