Finding the Fourth Proportional to 2,138,273.10, 2,950,808.13 and 1,171,463.58
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Solution
The fourth proportional to 2,138,273.10, 2,950,808.13 and 1,171,463.58 is: 1,616,614.95
Step by Step Solution
- Step 1: Write the proportion equation
2,138,273.10 : 2,950,808.13 = 1,171,463.58 : x - Step 2: Convert to fraction form
2,138,273.10/2,950,808.13 = 1,171,463.58/x - Step 3: Cross multiply
2,138,273.10x = 2,950,808.13 × 1,171,463.58 - Step 4: Simplify right side
2,138,273.10x = 3,456,764,255,862.91 - Step 5: Solve for x
x = 3,456,764,255,862.91/2,138,273.10 - Step 6: Final answer
x = 1,616,614.95
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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.