Finding the Fourth Proportional to 3,608,760.12, 5,413,228.02 and 1,212,639.48
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Solution
The fourth proportional to 3,608,760.12, 5,413,228.02 and 1,212,639.48 is: 1,818,988.74
Step by Step Solution
- Step 1: Write the proportion equation
3,608,760.12 : 5,413,228.02 = 1,212,639.48 : x - Step 2: Convert to fraction form
3,608,760.12/5,413,228.02 = 1,212,639.48/x - Step 3: Cross multiply
3,608,760.12x = 5,413,228.02 × 1,212,639.48 - Step 4: Simplify right side
3,608,760.12x = 6,564,294,011,294.23 - Step 5: Solve for x
x = 6,564,294,011,294.23/3,608,760.12 - Step 6: Final answer
x = 1,818,988.74
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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.