Finding the Fourth Proportional to 3,109,811.12, 4,664,716.68 and 1,779,182
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Solution
The fourth proportional to 3,109,811.12, 4,664,716.68 and 1,779,182 is: 2,668,773
Step by Step Solution
- Step 1: Write the proportion equation
3,109,811.12 : 4,664,716.68 = 1,779,182 : x - Step 2: Convert to fraction form
3,109,811.12/4,664,716.68 = 1,779,182/x - Step 3: Cross multiply
3,109,811.12x = 4,664,716.68 × 1,779,182 - Step 4: Simplify right side
3,109,811.12x = 8,299,379,952,155.76 - Step 5: Solve for x
x = 8,299,379,952,155.76/3,109,811.12 - Step 6: Final answer
x = 2,668,773
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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.