Finding the Fourth Proportional to 1,977,497.58, 2,724,065.87 and 1,686,160.97
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Solution
The fourth proportional to 1,977,497.58, 2,724,065.87 and 1,686,160.97 is: 2,322,740.40
Step by Step Solution
- Step 1: Write the proportion equation
1,977,497.58 : 2,724,065.87 = 1,686,160.97 : x - Step 2: Convert to fraction form
1,977,497.58/2,724,065.87 = 1,686,160.97/x - Step 3: Cross multiply
1,977,497.58x = 2,724,065.87 × 1,686,160.97 - Step 4: Simplify right side
1,977,497.58x = 4,593,213,527,651.96 - Step 5: Solve for x
x = 4,593,213,527,651.96/1,977,497.58 - Step 6: Final answer
x = 2,322,740.40
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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.