Finding the Fourth Proportional to 2,809,399.46, 4,214,101.24 and 679,485.63
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Solution
The fourth proportional to 2,809,399.46, 4,214,101.24 and 679,485.63 is: 1,019,228.94
Step by Step Solution
- Step 1: Write the proportion equation
2,809,399.46 : 4,214,101.24 = 679,485.63 : x - Step 2: Convert to fraction form
2,809,399.46/4,214,101.24 = 679,485.63/x - Step 3: Cross multiply
2,809,399.46x = 4,214,101.24 × 679,485.63 - Step 4: Simplify right side
2,809,399.46x = 2,863,421,235,945.18 - Step 5: Solve for x
x = 2,863,421,235,945.18/2,809,399.46 - Step 6: Final answer
x = 1,019,228.94
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1.5x scale
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.