Finding the Fourth Proportional to 2,183,747.80, 3,275,621.70 and 1,120,865.80
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Solution
The fourth proportional to 2,183,747.80, 3,275,621.70 and 1,120,865.80 is: 1,681,298.70
Step by Step Solution
- Step 1: Write the proportion equation
2,183,747.80 : 3,275,621.70 = 1,120,865.80 : x - Step 2: Convert to fraction form
2,183,747.80/3,275,621.70 = 1,120,865.80/x - Step 3: Cross multiply
2,183,747.80x = 3,275,621.70 × 1,120,865.80 - Step 4: Simplify right side
2,183,747.80x = 3,671,532,337,267.86 - Step 5: Solve for x
x = 3,671,532,337,267.86/2,183,747.80 - Step 6: Final answer
x = 1,681,298.70
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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.