Finding the Fourth Proportional to 4,143,775.59, 6,215,072.90 and 1,303,813.94
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Solution
The fourth proportional to 4,143,775.59, 6,215,072.90 and 1,303,813.94 is: 1,955,535.11
Step by Step Solution
- Step 1: Write the proportion equation
4,143,775.59 : 6,215,072.90 = 1,303,813.94 : x - Step 2: Convert to fraction form
4,143,775.59/6,215,072.90 = 1,303,813.94/x - Step 3: Cross multiply
4,143,775.59x = 6,215,072.90 × 1,303,813.94 - Step 4: Simplify right side
4,143,775.59x = 8,103,298,647,541.79 - Step 5: Solve for x
x = 8,103,298,647,541.79/4,143,775.59 - Step 6: Final answer
x = 1,955,535.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.