Finding the Fourth Proportional to 2,232,159.95, 3,080,365.56 and 1,213,564.70
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Solution
The fourth proportional to 2,232,159.95, 3,080,365.56 and 1,213,564.70 is: 1,674,711.04
Step by Step Solution
- Step 1: Write the proportion equation
2,232,159.95 : 3,080,365.56 = 1,213,564.70 : x - Step 2: Convert to fraction form
2,232,159.95/3,080,365.56 = 1,213,564.70/x - Step 3: Cross multiply
2,232,159.95x = 3,080,365.56 × 1,213,564.70 - Step 4: Simplify right side
2,232,159.95x = 3,738,222,914,412.65 - Step 5: Solve for x
x = 3,738,222,914,412.65/2,232,159.95 - Step 6: Final answer
x = 1,674,711.04
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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.