Finding the Fourth Proportional to 1,779,230.80, 2,669,191.80 and 768,350.80
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Solution
The fourth proportional to 1,779,230.80, 2,669,191.80 and 768,350.80 is: 1,152,675.45
Step by Step Solution
- Step 1: Write the proportion equation
1,779,230.80 : 2,669,191.80 = 768,350.80 : x - Step 2: Convert to fraction form
1,779,230.80/2,669,191.80 = 768,350.80/x - Step 3: Cross multiply
1,779,230.80x = 2,669,191.80 × 768,350.80 - Step 4: Simplify right side
1,779,230.80x = 2,050,875,654,883.44 - Step 5: Solve for x
x = 2,050,875,654,883.44/1,779,230.80 - Step 6: Final answer
x = 1,152,675.45
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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.