Finding the Fourth Proportional to 1,838,268.30, 2,536,749.36 and 1,022,448.90
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Solution
The fourth proportional to 1,838,268.30, 2,536,749.36 and 1,022,448.90 is: 1,410,945.61
Step by Step Solution
- Step 1: Write the proportion equation
1,838,268.30 : 2,536,749.36 = 1,022,448.90 : x - Step 2: Convert to fraction form
1,838,268.30/2,536,749.36 = 1,022,448.90/x - Step 3: Cross multiply
1,838,268.30x = 2,536,749.36 × 1,022,448.90 - Step 4: Simplify right side
1,838,268.30x = 2,593,696,592,707.70 - Step 5: Solve for x
x = 2,593,696,592,707.70/1,838,268.30 - Step 6: Final answer
x = 1,410,945.61
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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.