Finding the Fourth Proportional to 2,266,995.82, 3,128,216.00 and 1,286,623.05
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Solution
The fourth proportional to 2,266,995.82, 3,128,216.00 and 1,286,623.05 is: 1,775,404.61
Step by Step Solution
- Step 1: Write the proportion equation
2,266,995.82 : 3,128,216.00 = 1,286,623.05 : x - Step 2: Convert to fraction form
2,266,995.82/3,128,216.00 = 1,286,623.05/x - Step 3: Cross multiply
2,266,995.82x = 3,128,216.00 × 1,286,623.05 - Step 4: Simplify right side
2,266,995.82x = 4,024,834,822,015.90 - Step 5: Solve for x
x = 4,024,834,822,015.90/2,266,995.82 - Step 6: Final answer
x = 1,775,404.61
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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.