Finding the Fourth Proportional to 2,839,777.58, 3,918,877.80 and 1,550,618.84
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Solution
The fourth proportional to 2,839,777.58, 3,918,877.80 and 1,550,618.84 is: 2,139,845.67
Step by Step Solution
- Step 1: Write the proportion equation
2,839,777.58 : 3,918,877.80 = 1,550,618.84 : x - Step 2: Convert to fraction form
2,839,777.58/3,918,877.80 = 1,550,618.84/x - Step 3: Cross multiply
2,839,777.58x = 3,918,877.80 × 1,550,618.84 - Step 4: Simplify right side
2,839,777.58x = 6,076,685,748,337.75 - Step 5: Solve for x
x = 6,076,685,748,337.75/2,839,777.58 - Step 6: Final answer
x = 2,139,845.67
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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.