Finding the Fourth Proportional to 4,550,131.99, 6,279,143.65 and 2,512,897.75
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Solution
The fourth proportional to 4,550,131.99, 6,279,143.65 and 2,512,897.75 is: 3,467,777.63
Step by Step Solution
- Step 1: Write the proportion equation
4,550,131.99 : 6,279,143.65 = 2,512,897.75 : x - Step 2: Convert to fraction form
4,550,131.99/6,279,143.65 = 2,512,897.75/x - Step 3: Cross multiply
4,550,131.99x = 6,279,143.65 × 2,512,897.75 - Step 4: Simplify right side
4,550,131.99x = 15,778,845,950,011.79 - Step 5: Solve for x
x = 15,778,845,950,011.79/4,550,131.99 - Step 6: Final answer
x = 3,467,777.63
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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.