Finding the Fourth Proportional to 1,723,309.68, 2,378,074.21 and 948,789.70
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Solution
The fourth proportional to 1,723,309.68, 2,378,074.21 and 948,789.70 is: 1,309,278.51
Step by Step Solution
- Step 1: Write the proportion equation
1,723,309.68 : 2,378,074.21 = 948,789.70 : x - Step 2: Convert to fraction form
1,723,309.68/2,378,074.21 = 948,789.70/x - Step 3: Cross multiply
1,723,309.68x = 2,378,074.21 × 948,789.70 - Step 4: Simplify right side
1,723,309.68x = 2,256,292,322,228.82 - Step 5: Solve for x
x = 2,256,292,322,228.82/1,723,309.68 - Step 6: Final answer
x = 1,309,278.51
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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.