Finding the Fourth Proportional to 1,694,437.09, 2,337,738.66 and 1,082,947.79
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Solution
The fourth proportional to 1,694,437.09, 2,337,738.66 and 1,082,947.79 is: 1,494,094.37
Step by Step Solution
- Step 1: Write the proportion equation
1,694,437.09 : 2,337,738.66 = 1,082,947.79 : x - Step 2: Convert to fraction form
1,694,437.09/2,337,738.66 = 1,082,947.79/x - Step 3: Cross multiply
1,694,437.09x = 2,337,738.66 × 1,082,947.79 - Step 4: Simplify right side
1,694,437.09x = 2,531,648,915,444.56 - Step 5: Solve for x
x = 2,531,648,915,444.56/1,694,437.09 - Step 6: Final answer
x = 1,494,094.37
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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.