Finding the Fourth Proportional to 3,403,995.47, 5,106,366.87 and 1,698,568.01
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Solution
The fourth proportional to 3,403,995.47, 5,106,366.87 and 1,698,568.01 is: 2,548,038.47
Step by Step Solution
- Step 1: Write the proportion equation
3,403,995.47 : 5,106,366.87 = 1,698,568.01 : x - Step 2: Convert to fraction form
3,403,995.47/5,106,366.87 = 1,698,568.01/x - Step 3: Cross multiply
3,403,995.47x = 5,106,366.87 × 1,698,568.01 - Step 4: Simplify right side
3,403,995.47x = 8,673,511,412,705.83 - Step 5: Solve for x
x = 8,673,511,412,705.83/3,403,995.47 - Step 6: Final answer
x = 2,548,038.47
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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.