Finding the Fourth Proportional to 3,345,125.63, 4,615,903.11 and 1,854,939.84
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Solution
The fourth proportional to 3,345,125.63, 4,615,903.11 and 1,854,939.84 is: 2,559,611.66
Step by Step Solution
- Step 1: Write the proportion equation
3,345,125.63 : 4,615,903.11 = 1,854,939.84 : x - Step 2: Convert to fraction form
3,345,125.63/4,615,903.11 = 1,854,939.84/x - Step 3: Cross multiply
3,345,125.63x = 4,615,903.11 × 1,854,939.84 - Step 4: Simplify right side
3,345,125.63x = 8,562,222,576,318.90 - Step 5: Solve for x
x = 8,562,222,576,318.90/3,345,125.63 - Step 6: Final answer
x = 2,559,611.66
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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.