Finding the Fourth Proportional to 1,545,443.70, 2,318,165.55 and 1,466,711.70
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Solution
The fourth proportional to 1,545,443.70, 2,318,165.55 and 1,466,711.70 is: 2,200,067.55
Step by Step Solution
- Step 1: Write the proportion equation
1,545,443.70 : 2,318,165.55 = 1,466,711.70 : x - Step 2: Convert to fraction form
1,545,443.70/2,318,165.55 = 1,466,711.70/x - Step 3: Cross multiply
1,545,443.70x = 2,318,165.55 × 1,466,711.70 - Step 4: Simplify right side
1,545,443.70x = 3,400,080,534,721.93 - Step 5: Solve for x
x = 3,400,080,534,721.93/1,545,443.70 - Step 6: Final answer
x = 2,200,067.55
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1.5x scale
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.