Finding the Fourth Proportional to 5,903,453.95, 8,143,982.80 and 3,454,562.98
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Solution
The fourth proportional to 5,903,453.95, 8,143,982.80 and 3,454,562.98 is: 4,765,667.98
Step by Step Solution
- Step 1: Write the proportion equation
5,903,453.95 : 8,143,982.80 = 3,454,562.98 : x - Step 2: Convert to fraction form
5,903,453.95/8,143,982.80 = 3,454,562.98/x - Step 3: Cross multiply
5,903,453.95x = 8,143,982.80 × 3,454,562.98 - Step 4: Simplify right side
5,903,453.95x = 28,133,901,446,370.41 - Step 5: Solve for x
x = 28,133,901,446,370.41/5,903,453.95 - Step 6: Final answer
x = 4,765,667.98
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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.