Finding the Fourth Proportional to 2,567,798.25, 3,543,517.80 and 1,421,853.99
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Solution
The fourth proportional to 2,567,798.25, 3,543,517.80 and 1,421,853.99 is: 1,962,134.26
Step by Step Solution
- Step 1: Write the proportion equation
2,567,798.25 : 3,543,517.80 = 1,421,853.99 : x - Step 2: Convert to fraction form
2,567,798.25/3,543,517.80 = 1,421,853.99/x - Step 3: Cross multiply
2,567,798.25x = 3,543,517.80 × 1,421,853.99 - Step 4: Simplify right side
2,567,798.25x = 5,038,364,922,566.02 - Step 5: Solve for x
x = 5,038,364,922,566.02/2,567,798.25 - Step 6: Final answer
x = 1,962,134.26
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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.