Finding the Fourth Proportional to 2,698,198.40, 3,723,562.68 and 1,474,555.70
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Solution
The fourth proportional to 2,698,198.40, 3,723,562.68 and 1,474,555.70 is: 2,034,913.58
Step by Step Solution
- Step 1: Write the proportion equation
2,698,198.40 : 3,723,562.68 = 1,474,555.70 : x - Step 2: Convert to fraction form
2,698,198.40/3,723,562.68 = 1,474,555.70/x - Step 3: Cross multiply
2,698,198.40x = 3,723,562.68 × 1,474,555.70 - Step 4: Simplify right side
2,698,198.40x = 5,490,600,574,101.28 - Step 5: Solve for x
x = 5,490,600,574,101.28/2,698,198.40 - Step 6: Final answer
x = 2,034,913.58
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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.