Finding the Fourth Proportional to 1,785,494.14, 2,678,905.51 and 826,415.36
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Solution
The fourth proportional to 1,785,494.14, 2,678,905.51 and 826,415.36 is: 1,239,930.51
Step by Step Solution
- Step 1: Write the proportion equation
1,785,494.14 : 2,678,905.51 = 826,415.36 : x - Step 2: Convert to fraction form
1,785,494.14/2,678,905.51 = 826,415.36/x - Step 3: Cross multiply
1,785,494.14x = 2,678,905.51 × 826,415.36 - Step 4: Simplify right side
1,785,494.14x = 2,213,888,656,037.96 - Step 5: Solve for x
x = 2,213,888,656,037.96/1,785,494.14 - Step 6: Final answer
x = 1,239,930.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.