Finding the Fourth Proportional to 1,542,786.42, 2,128,338.27 and 999,097.41
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Solution
The fourth proportional to 1,542,786.42, 2,128,338.27 and 999,097.41 is: 1,378,296.58
Step by Step Solution
- Step 1: Write the proportion equation
1,542,786.42 : 2,128,338.27 = 999,097.41 : x - Step 2: Convert to fraction form
1,542,786.42/2,128,338.27 = 999,097.41/x - Step 3: Cross multiply
1,542,786.42x = 2,128,338.27 × 999,097.41 - Step 4: Simplify right side
1,542,786.42x = 2,126,417,253,160.88 - Step 5: Solve for x
x = 2,126,417,253,160.88/1,542,786.42 - Step 6: Final answer
x = 1,378,296.58
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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.