Finding the Fourth Proportional to 1,348,834.70, 2,023,252.05 and 1,286,626.70
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Solution
The fourth proportional to 1,348,834.70, 2,023,252.05 and 1,286,626.70 is: 1,929,940.05
Step by Step Solution
- Step 1: Write the proportion equation
1,348,834.70 : 2,023,252.05 = 1,286,626.70 : x - Step 2: Convert to fraction form
1,348,834.70/2,023,252.05 = 1,286,626.70/x - Step 3: Cross multiply
1,348,834.70x = 2,023,252.05 × 1,286,626.70 - Step 4: Simplify right side
1,348,834.70x = 2,603,170,108,359.74 - Step 5: Solve for x
x = 2,603,170,108,359.74/1,348,834.70 - Step 6: Final answer
x = 1,929,940.05
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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.