Finding the Fourth Proportional to 2,303,617.66, 3,178,988.57 and 1,271,124.63
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Solution
The fourth proportional to 2,303,617.66, 3,178,988.57 and 1,271,124.63 is: 1,754,149.90
Step by Step Solution
- Step 1: Write the proportion equation
2,303,617.66 : 3,178,988.57 = 1,271,124.63 : x - Step 2: Convert to fraction form
2,303,617.66/3,178,988.57 = 1,271,124.63/x - Step 3: Cross multiply
2,303,617.66x = 3,178,988.57 × 1,271,124.63 - Step 4: Simplify right side
2,303,617.66x = 4,040,890,672,993.29 - Step 5: Solve for x
x = 4,040,890,672,993.29/2,303,617.66 - Step 6: Final answer
x = 1,754,149.90
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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.