Finding the Fourth Proportional to 1,415,246.94, 1,952,736.12 and 842,175.18
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Solution
The fourth proportional to 1,415,246.94, 1,952,736.12 and 842,175.18 is: 1,162,020.46
Step by Step Solution
- Step 1: Write the proportion equation
1,415,246.94 : 1,952,736.12 = 842,175.18 : x - Step 2: Convert to fraction form
1,415,246.94/1,952,736.12 = 842,175.18/x - Step 3: Cross multiply
1,415,246.94x = 1,952,736.12 × 842,175.18 - Step 4: Simplify right side
1,415,246.94x = 1,644,545,893,353.50 - Step 5: Solve for x
x = 1,644,545,893,353.50/1,415,246.94 - Step 6: Final answer
x = 1,162,020.46
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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.