Finding the Fourth Proportional to 5,037,787.99, 7,557,135.80 and 1,626,155.47
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Solution
The fourth proportional to 5,037,787.99, 7,557,135.80 and 1,626,155.47 is: 2,439,379.69
Step by Step Solution
- Step 1: Write the proportion equation
5,037,787.99 : 7,557,135.80 = 1,626,155.47 : x - Step 2: Convert to fraction form
5,037,787.99/7,557,135.80 = 1,626,155.47/x - Step 3: Cross multiply
5,037,787.99x = 7,557,135.80 × 1,626,155.47 - Step 4: Simplify right side
5,037,787.99x = 12,289,077,720,018.47 - Step 5: Solve for x
x = 12,289,077,720,018.47/5,037,787.99 - Step 6: Final answer
x = 2,439,379.69
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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.