Finding the Fourth Proportional to 2,171,332.56, 2,993,683.68 and 1,551,876.96
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Solution
The fourth proportional to 2,171,332.56, 2,993,683.68 and 1,551,876.96 is: 2,139,620.99
Step by Step Solution
- Step 1: Write the proportion equation
2,171,332.56 : 2,993,683.68 = 1,551,876.96 : x - Step 2: Convert to fraction form
2,171,332.56/2,993,683.68 = 1,551,876.96/x - Step 3: Cross multiply
2,171,332.56x = 2,993,683.68 × 1,551,876.96 - Step 4: Simplify right side
2,171,332.56x = 4,645,828,728,520.01 - Step 5: Solve for x
x = 4,645,828,728,520.01/2,171,332.56 - Step 6: Final answer
x = 2,139,620.99
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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.