Finding the Fourth Proportional to 1,880,430.80, 2,591,399.40 and 1,845,879.44
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Solution
The fourth proportional to 1,880,430.80, 2,591,399.40 and 1,845,879.44 is: 2,543,784.58
Step by Step Solution
- Step 1: Write the proportion equation
1,880,430.80 : 2,591,399.40 = 1,845,879.44 : x - Step 2: Convert to fraction form
1,880,430.80/2,591,399.40 = 1,845,879.44/x - Step 3: Cross multiply
1,880,430.80x = 2,591,399.40 × 1,845,879.44 - Step 4: Simplify right side
1,880,430.80x = 4,783,410,873,288.34 - Step 5: Solve for x
x = 4,783,410,873,288.34/1,880,430.80 - Step 6: Final answer
x = 2,543,784.58
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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.