Finding the Fourth Proportional to 2,839,778.24, 3,918,898.92 and 1,550,591.15
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Solution
The fourth proportional to 2,839,778.24, 3,918,898.92 and 1,550,591.15 is: 2,139,818.49
Step by Step Solution
- Step 1: Write the proportion equation
2,839,778.24 : 3,918,898.92 = 1,550,591.15 : x - Step 2: Convert to fraction form
2,839,778.24/3,918,898.92 = 1,550,591.15/x - Step 3: Cross multiply
2,839,778.24x = 3,918,898.92 × 1,550,591.15 - Step 4: Simplify right side
2,839,778.24x = 6,076,609,979,220.08 - Step 5: Solve for x
x = 6,076,609,979,220.08/2,839,778.24 - Step 6: Final answer
x = 2,139,818.49
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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.