Finding the Fourth Proportional to 1,438,311.41, 1,984,917.41 and 784,973.19
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Solution
The fourth proportional to 1,438,311.41, 1,984,917.41 and 784,973.19 is: 1,083,289.02
Step by Step Solution
- Step 1: Write the proportion equation
1,438,311.41 : 1,984,917.41 = 784,973.19 : x - Step 2: Convert to fraction form
1,438,311.41/1,984,917.41 = 784,973.19/x - Step 3: Cross multiply
1,438,311.41x = 1,984,917.41 × 784,973.19 - Step 4: Simplify right side
1,438,311.41x = 1,558,106,947,289.37 - Step 5: Solve for x
x = 1,558,106,947,289.37/1,438,311.41 - Step 6: Final answer
x = 1,083,289.02
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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.