Finding the Fourth Proportional to 3,211,567.92, 4,817,359.98 and 1,083,147.12
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Solution
The fourth proportional to 3,211,567.92, 4,817,359.98 and 1,083,147.12 is: 1,624,723.41
Step by Step Solution
- Step 1: Write the proportion equation
3,211,567.92 : 4,817,359.98 = 1,083,147.12 : x - Step 2: Convert to fraction form
3,211,567.92/4,817,359.98 = 1,083,147.12/x - Step 3: Cross multiply
3,211,567.92x = 4,817,359.98 × 1,083,147.12 - Step 4: Simplify right side
3,211,567.92x = 5,217,909,588,340.26 - Step 5: Solve for x
x = 5,217,909,588,340.26/3,211,567.92 - Step 6: Final answer
x = 1,624,723.41
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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.