Finding the Fourth Proportional to 2,683,379.20, 4,024,291.20 and 977,324.80
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Solution
The fourth proportional to 2,683,379.20, 4,024,291.20 and 977,324.80 is: 1,465,703.99
Step by Step Solution
- Step 1: Write the proportion equation
2,683,379.20 : 4,024,291.20 = 977,324.80 : x - Step 2: Convert to fraction form
2,683,379.20/4,024,291.20 = 977,324.80/x - Step 3: Cross multiply
2,683,379.20x = 4,024,291.20 × 977,324.80 - Step 4: Simplify right side
2,683,379.20x = 3,933,039,592,181.76 - Step 5: Solve for x
x = 3,933,039,592,181.76/2,683,379.20 - Step 6: Final answer
x = 1,465,703.99
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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.