Finding the Fourth Proportional to 7,800,379.79, 11,698,281.50 and 2,939,179.14
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Solution
The fourth proportional to 7,800,379.79, 11,698,281.50 and 2,939,179.14 is: 4,407,906.52
Step by Step Solution
- Step 1: Write the proportion equation
7,800,379.79 : 11,698,281.50 = 2,939,179.14 : x - Step 2: Convert to fraction form
7,800,379.79/11,698,281.50 = 2,939,179.14/x - Step 3: Cross multiply
7,800,379.79x = 11,698,281.50 × 2,939,179.14 - Step 4: Simplify right side
7,800,379.79x = 34,383,344,943,952.01 - Step 5: Solve for x
x = 34,383,344,943,952.01/7,800,379.79 - Step 6: Final answer
x = 4,407,906.52
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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.