Finding the Fourth Proportional to 2,415,134.40, 3,332,888.16 and 1,327,405.68
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Solution
The fourth proportional to 2,415,134.40, 3,332,888.16 and 1,327,405.68 is: 1,831,821.32
Step by Step Solution
- Step 1: Write the proportion equation
2,415,134.40 : 3,332,888.16 = 1,327,405.68 : x - Step 2: Convert to fraction form
2,415,134.40/3,332,888.16 = 1,327,405.68/x - Step 3: Cross multiply
2,415,134.40x = 3,332,888.16 × 1,327,405.68 - Step 4: Simplify right side
2,415,134.40x = 4,424,094,674,388.75 - Step 5: Solve for x
x = 4,424,094,674,388.75/2,415,134.40 - Step 6: Final answer
x = 1,831,821.32
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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.