Finding the Fourth Proportional to 1,550,798.57, 2,139,977.97 and 862,471.76
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Solution
The fourth proportional to 1,550,798.57, 2,139,977.97 and 862,471.76 is: 1,190,142.03
Step by Step Solution
- Step 1: Write the proportion equation
1,550,798.57 : 2,139,977.97 = 862,471.76 : x - Step 2: Convert to fraction form
1,550,798.57/2,139,977.97 = 862,471.76/x - Step 3: Cross multiply
1,550,798.57x = 2,139,977.97 × 862,471.76 - Step 4: Simplify right side
1,550,798.57x = 1,845,670,555,447.24 - Step 5: Solve for x
x = 1,845,670,555,447.24/1,550,798.57 - Step 6: Final answer
x = 1,190,142.03
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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.