Finding the Fourth Proportional to 1,560,419.16, 2,339,964.12 and 613,125.40
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Solution
The fourth proportional to 1,560,419.16, 2,339,964.12 and 613,125.40 is: 919,426.96
Step by Step Solution
- Step 1: Write the proportion equation
1,560,419.16 : 2,339,964.12 = 613,125.40 : x - Step 2: Convert to fraction form
1,560,419.16/2,339,964.12 = 613,125.40/x - Step 3: Cross multiply
1,560,419.16x = 2,339,964.12 × 613,125.40 - Step 4: Simplify right side
1,560,419.16x = 1,434,691,437,060.65 - Step 5: Solve for x
x = 1,434,691,437,060.65/1,560,419.16 - Step 6: Final answer
x = 919,426.96
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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.