Finding the Fourth Proportional to 2,119,289.00, 3,179,043.45 and 699,455.79
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Solution
The fourth proportional to 2,119,289.00, 3,179,043.45 and 699,455.79 is: 1,049,219.98
Step by Step Solution
- Step 1: Write the proportion equation
2,119,289.00 : 3,179,043.45 = 699,455.79 : x - Step 2: Convert to fraction form
2,119,289.00/3,179,043.45 = 699,455.79/x - Step 3: Cross multiply
2,119,289.00x = 3,179,043.45 × 699,455.79 - Step 4: Simplify right side
2,119,289.00x = 2,223,600,347,764.08 - Step 5: Solve for x
x = 2,223,600,347,764.08/2,119,289.00 - Step 6: Final answer
x = 1,049,219.98
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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.