Finding the Fourth Proportional to 2,213,686.65, 3,320,529.98 and 1,266,393.07
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Solution
The fourth proportional to 2,213,686.65, 3,320,529.98 and 1,266,393.07 is: 1,899,589.61
Step by Step Solution
- Step 1: Write the proportion equation
2,213,686.65 : 3,320,529.98 = 1,266,393.07 : x - Step 2: Convert to fraction form
2,213,686.65/3,320,529.98 = 1,266,393.07/x - Step 3: Cross multiply
2,213,686.65x = 3,320,529.98 × 1,266,393.07 - Step 4: Simplify right side
2,213,686.65x = 4,205,096,155,399.24 - Step 5: Solve for x
x = 4,205,096,155,399.24/2,213,686.65 - Step 6: Final answer
x = 1,899,589.61
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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.