Finding the Fourth Proportional to 1,689,151.68, 2,330,380.80 and 964,039.68
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Solution
The fourth proportional to 1,689,151.68, 2,330,380.80 and 964,039.68 is: 1,330,004.63
Step by Step Solution
- Step 1: Write the proportion equation
1,689,151.68 : 2,330,380.80 = 964,039.68 : x - Step 2: Convert to fraction form
1,689,151.68/2,330,380.80 = 964,039.68/x - Step 3: Cross multiply
1,689,151.68x = 2,330,380.80 × 964,039.68 - Step 4: Simplify right side
1,689,151.68x = 2,246,579,560,710.14 - Step 5: Solve for x
x = 2,246,579,560,710.14/1,689,151.68 - Step 6: Final answer
x = 1,330,004.63
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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.