Finding the Fourth Proportional to 2,145,745.08, 3,216,617.10 and 724,807.80
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Solution
The fourth proportional to 2,145,745.08, 3,216,617.10 and 724,807.80 is: 1,086,535.95
Step by Step Solution
- Step 1: Write the proportion equation
2,145,745.08 : 3,216,617.10 = 724,807.80 : x - Step 2: Convert to fraction form
2,145,745.08/3,216,617.10 = 724,807.80/x - Step 3: Cross multiply
2,145,745.08x = 3,216,617.10 × 724,807.80 - Step 4: Simplify right side
2,145,745.08x = 2,331,429,163,693.38 - Step 5: Solve for x
x = 2,331,429,163,693.38/2,145,745.08 - Step 6: Final answer
x = 1,086,535.95
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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.