Finding the Fourth Proportional to 4,147,658.70, 6,221,488.05 and 1,155,842.70
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Solution
The fourth proportional to 4,147,658.70, 6,221,488.05 and 1,155,842.70 is: 1,733,764.05
Step by Step Solution
- Step 1: Write the proportion equation
4,147,658.70 : 6,221,488.05 = 1,155,842.70 : x - Step 2: Convert to fraction form
4,147,658.70/6,221,488.05 = 1,155,842.70/x - Step 3: Cross multiply
4,147,658.70x = 6,221,488.05 × 1,155,842.70 - Step 4: Simplify right side
4,147,658.70x = 7,191,061,545,729.74 - Step 5: Solve for x
x = 7,191,061,545,729.74/4,147,658.70 - Step 6: Final answer
x = 1,733,764.05
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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.