Finding the Fourth Proportional to 2,683,383.20, 4,024,297.20 and 977,328.80
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Solution
The fourth proportional to 2,683,383.20, 4,024,297.20 and 977,328.80 is: 1,465,709.99
Step by Step Solution
- Step 1: Write the proportion equation
2,683,383.20 : 4,024,297.20 = 977,328.80 : x - Step 2: Convert to fraction form
2,683,383.20/4,024,297.20 = 977,328.80/x - Step 3: Cross multiply
2,683,383.20x = 4,024,297.20 × 977,328.80 - Step 4: Simplify right side
2,683,383.20x = 3,933,061,553,319.36 - Step 5: Solve for x
x = 3,933,061,553,319.36/2,683,383.20 - Step 6: Final answer
x = 1,465,709.99
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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.