Finding the Fourth Proportional to 2,303,419.56, 3,455,128.64 and 1,236,994.62
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Solution
The fourth proportional to 2,303,419.56, 3,455,128.64 and 1,236,994.62 is: 1,855,491.55
Step by Step Solution
- Step 1: Write the proportion equation
2,303,419.56 : 3,455,128.64 = 1,236,994.62 : x - Step 2: Convert to fraction form
2,303,419.56/3,455,128.64 = 1,236,994.62/x - Step 3: Cross multiply
2,303,419.56x = 3,455,128.64 × 1,236,994.62 - Step 4: Simplify right side
2,303,419.56x = 4,273,975,539,087.92 - Step 5: Solve for x
x = 4,273,975,539,087.92/2,303,419.56 - Step 6: Final answer
x = 1,855,491.55
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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.