Finding the Fourth Proportional to 2,953,781.12, 4,076,212.80 and 1,595,649.92
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Solution
The fourth proportional to 2,953,781.12, 4,076,212.80 and 1,595,649.92 is: 2,201,994.11
Step by Step Solution
- Step 1: Write the proportion equation
2,953,781.12 : 4,076,212.80 = 1,595,649.92 : x - Step 2: Convert to fraction form
2,953,781.12/4,076,212.80 = 1,595,649.92/x - Step 3: Cross multiply
2,953,781.12x = 4,076,212.80 × 1,595,649.92 - Step 4: Simplify right side
2,953,781.12x = 6,504,208,628,222.98 - Step 5: Solve for x
x = 6,504,208,628,222.98/2,953,781.12 - Step 6: Final answer
x = 2,201,994.11
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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.