Finding the Fourth Proportional to 2,187,514.06, 3,018,318.60 and 1,257,041.95
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Solution
The fourth proportional to 2,187,514.06, 3,018,318.60 and 1,257,041.95 is: 1,734,458.84
Step by Step Solution
- Step 1: Write the proportion equation
2,187,514.06 : 3,018,318.60 = 1,257,041.95 : x - Step 2: Convert to fraction form
2,187,514.06/3,018,318.60 = 1,257,041.95/x - Step 3: Cross multiply
2,187,514.06x = 3,018,318.60 × 1,257,041.95 - Step 4: Simplify right side
2,187,514.06x = 3,794,153,098,665.27 - Step 5: Solve for x
x = 3,794,153,098,665.27/2,187,514.06 - Step 6: Final answer
x = 1,734,458.84
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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.