Finding the Fourth Proportional to 4,217,165.70, 6,325,748.55 and 1,942,685.70
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Solution
The fourth proportional to 4,217,165.70, 6,325,748.55 and 1,942,685.70 is: 2,914,028.55
Step by Step Solution
- Step 1: Write the proportion equation
4,217,165.70 : 6,325,748.55 = 1,942,685.70 : x - Step 2: Convert to fraction form
4,217,165.70/6,325,748.55 = 1,942,685.70/x - Step 3: Cross multiply
4,217,165.70x = 6,325,748.55 × 1,942,685.70 - Step 4: Simplify right side
4,217,165.70x = 12,288,941,249,880.73 - Step 5: Solve for x
x = 12,288,941,249,880.73/4,217,165.70 - Step 6: Final answer
x = 2,914,028.55
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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.