Finding the Fourth Proportional to 2,987,288.10, 4,121,748.99 and 1,698,027.00
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Solution
The fourth proportional to 2,987,288.10, 4,121,748.99 and 1,698,027.00 is: 2,342,874.48
Step by Step Solution
- Step 1: Write the proportion equation
2,987,288.10 : 4,121,748.99 = 1,698,027.00 : x - Step 2: Convert to fraction form
2,987,288.10/4,121,748.99 = 1,698,027.00/x - Step 3: Cross multiply
2,987,288.10x = 4,121,748.99 × 1,698,027.00 - Step 4: Simplify right side
2,987,288.10x = 6,998,841,056,786.17 - Step 5: Solve for x
x = 6,998,841,056,786.17/2,987,288.10 - Step 6: Final answer
x = 2,342,874.48
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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.