Finding the Fourth Proportional to 2,515,777.02, 3,471,757.50 and 1,369,854.62
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Solution
The fourth proportional to 2,515,777.02, 3,471,757.50 and 1,369,854.62 is: 1,890,391.32
Step by Step Solution
- Step 1: Write the proportion equation
2,515,777.02 : 3,471,757.50 = 1,369,854.62 : x - Step 2: Convert to fraction form
2,515,777.02/3,471,757.50 = 1,369,854.62/x - Step 3: Cross multiply
2,515,777.02x = 3,471,757.50 × 1,369,854.62 - Step 4: Simplify right side
2,515,777.02x = 4,755,803,050,894.65 - Step 5: Solve for x
x = 4,755,803,050,894.65/2,515,777.02 - Step 6: Final answer
x = 1,890,391.32
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1.5x scale
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.