Finding the Fourth Proportional to 2,790,756.28, 3,856,530.20 and 2,377,235.08
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Solution
The fourth proportional to 2,790,756.28, 3,856,530.20 and 2,377,235.08 is: 3,285,087.61
Step by Step Solution
- Step 1: Write the proportion equation
2,790,756.28 : 3,856,530.20 = 2,377,235.08 : x - Step 2: Convert to fraction form
2,790,756.28/3,856,530.20 = 2,377,235.08/x - Step 3: Cross multiply
2,790,756.28x = 3,856,530.20 × 2,377,235.08 - Step 4: Simplify right side
2,790,756.28x = 9,167,878,878,519.42 - Step 5: Solve for x
x = 9,167,878,878,519.42/2,790,756.28 - Step 6: Final answer
x = 3,285,087.61
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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.