Finding the Fourth Proportional to 3,163,956.69, 4,366,615.11 and 1,787,389.08
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Solution
The fourth proportional to 3,163,956.69, 4,366,615.11 and 1,787,389.08 is: 2,466,797.41
Step by Step Solution
- Step 1: Write the proportion equation
3,163,956.69 : 4,366,615.11 = 1,787,389.08 : x - Step 2: Convert to fraction form
3,163,956.69/4,366,615.11 = 1,787,389.08/x - Step 3: Cross multiply
3,163,956.69x = 4,366,615.11 × 1,787,389.08 - Step 4: Simplify right side
3,163,956.69x = 7,804,840,156,733.90 - Step 5: Solve for x
x = 7,804,840,156,733.90/3,163,956.69 - Step 6: Final answer
x = 2,466,797.41
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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.