Finding the Fourth Proportional to 1,495,661.20, 2,243,491.80 and 548,717.20
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Solution
The fourth proportional to 1,495,661.20, 2,243,491.80 and 548,717.20 is: 823,075.80
Step by Step Solution
- Step 1: Write the proportion equation
1,495,661.20 : 2,243,491.80 = 548,717.20 : x - Step 2: Convert to fraction form
1,495,661.20/2,243,491.80 = 548,717.20/x - Step 3: Cross multiply
1,495,661.20x = 2,243,491.80 × 548,717.20 - Step 4: Simplify right side
1,495,661.20x = 1,231,042,538,718.96 - Step 5: Solve for x
x = 1,231,042,538,718.96/1,495,661.20 - Step 6: Final answer
x = 823,075.80
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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.