Finding the Fourth Proportional to 1,874,576.79, 2,586,918.47 and 1,015,138.53
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Solution
The fourth proportional to 1,874,576.79, 2,586,918.47 and 1,015,138.53 is: 1,400,892.52
Step by Step Solution
- Step 1: Write the proportion equation
1,874,576.79 : 2,586,918.47 = 1,015,138.53 : x - Step 2: Convert to fraction form
1,874,576.79/2,586,918.47 = 1,015,138.53/x - Step 3: Cross multiply
1,874,576.79x = 2,586,918.47 × 1,015,138.53 - Step 4: Simplify right side
1,874,576.79x = 2,626,080,607,789.96 - Step 5: Solve for x
x = 2,626,080,607,789.96/1,874,576.79 - Step 6: Final answer
x = 1,400,892.52
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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.