Finding the Fourth Proportional to 1,453,574.46, 2,180,195.58 and 388,699.50
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Solution
The fourth proportional to 1,453,574.46, 2,180,195.58 and 388,699.50 is: 583,004.83
Step by Step Solution
- Step 1: Write the proportion equation
1,453,574.46 : 2,180,195.58 = 388,699.50 : x - Step 2: Convert to fraction form
1,453,574.46/2,180,195.58 = 388,699.50/x - Step 3: Cross multiply
1,453,574.46x = 2,180,195.58 × 388,699.50 - Step 4: Simplify right side
1,453,574.46x = 847,440,931,848.21 - Step 5: Solve for x
x = 847,440,931,848.21/1,453,574.46 - Step 6: Final answer
x = 583,004.83
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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.