Finding the Fourth Proportional to 1,984,197.54, 2,738,688.66 and 1,219,808.28
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Solution
The fourth proportional to 1,984,197.54, 2,738,688.66 and 1,219,808.28 is: 1,683,640.38
Step by Step Solution
- Step 1: Write the proportion equation
1,984,197.54 : 2,738,688.66 = 1,219,808.28 : x - Step 2: Convert to fraction form
1,984,197.54/2,738,688.66 = 1,219,808.28/x - Step 3: Cross multiply
1,984,197.54x = 2,738,688.66 × 1,219,808.28 - Step 4: Simplify right side
1,984,197.54x = 3,340,675,103,810.11 - Step 5: Solve for x
x = 3,340,675,103,810.11/1,984,197.54 - Step 6: Final answer
x = 1,683,640.38
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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.