Finding the Fourth Proportional to 7,802,779.90, 11,704,169.85 and 2,754,600.70
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Solution
The fourth proportional to 7,802,779.90, 11,704,169.85 and 2,754,600.70 is: 4,131,901.05
Step by Step Solution
- Step 1: Write the proportion equation
7,802,779.90 : 11,704,169.85 = 2,754,600.70 : x - Step 2: Convert to fraction form
7,802,779.90/11,704,169.85 = 2,754,600.70/x - Step 3: Cross multiply
7,802,779.90x = 11,704,169.85 × 2,754,600.70 - Step 4: Simplify right side
7,802,779.90x = 32,240,314,461,728.89 - Step 5: Solve for x
x = 32,240,314,461,728.89/7,802,779.90 - Step 6: Final answer
x = 4,131,901.05
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1.5x scale
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.