Finding the Fourth Proportional to 4,485,491.16, 6,189,762.60 and 2,551,570.80
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Solution
The fourth proportional to 4,485,491.16, 6,189,762.60 and 2,551,570.80 is: 3,521,045.29
Step by Step Solution
- Step 1: Write the proportion equation
4,485,491.16 : 6,189,762.60 = 2,551,570.80 : x - Step 2: Convert to fraction form
4,485,491.16/6,189,762.60 = 2,551,570.80/x - Step 3: Cross multiply
4,485,491.16x = 6,189,762.60 × 2,551,570.80 - Step 4: Simplify right side
4,485,491.16x = 15,793,617,509,092.08 - Step 5: Solve for x
x = 15,793,617,509,092.08/4,485,491.16 - Step 6: Final answer
x = 3,521,045.29
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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.