Finding the Fourth Proportional to 6,421,135.98, 9,631,879.29 and 1,872,074.84
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Solution
The fourth proportional to 6,421,135.98, 9,631,879.29 and 1,872,074.84 is: 2,808,163.37
Step by Step Solution
- Step 1: Write the proportion equation
6,421,135.98 : 9,631,879.29 = 1,872,074.84 : x - Step 2: Convert to fraction form
6,421,135.98/9,631,879.29 = 1,872,074.84/x - Step 3: Cross multiply
6,421,135.98x = 9,631,879.29 × 1,872,074.84 - Step 4: Simplify right side
6,421,135.98x = 18,031,598,832,566.66 - Step 5: Solve for x
x = 18,031,598,832,566.66/6,421,135.98 - Step 6: Final answer
x = 2,808,163.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.