Finding the Fourth Proportional to 3,787,908.96, 5,227,228.44 and 2,069,037.12
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Solution
The fourth proportional to 3,787,908.96, 5,227,228.44 and 2,069,037.12 is: 2,855,224.29
Step by Step Solution
- Step 1: Write the proportion equation
3,787,908.96 : 5,227,228.44 = 2,069,037.12 : x - Step 2: Convert to fraction form
3,787,908.96/5,227,228.44 = 2,069,037.12/x - Step 3: Cross multiply
3,787,908.96x = 5,227,228.44 × 2,069,037.12 - Step 4: Simplify right side
3,787,908.96x = 10,815,329,677,079.69 - Step 5: Solve for x
x = 10,815,329,677,079.69/3,787,908.96 - Step 6: Final answer
x = 2,855,224.29
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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.