Finding the Fourth Proportional to 2,202,401.70, 3,303,602.55 and 1,257,617.70
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Solution
The fourth proportional to 2,202,401.70, 3,303,602.55 and 1,257,617.70 is: 1,886,426.55
Step by Step Solution
- Step 1: Write the proportion equation
2,202,401.70 : 3,303,602.55 = 1,257,617.70 : x - Step 2: Convert to fraction form
2,202,401.70/3,303,602.55 = 1,257,617.70/x - Step 3: Cross multiply
2,202,401.70x = 3,303,602.55 × 1,257,617.70 - Step 4: Simplify right side
2,202,401.70x = 4,154,669,040,645.14 - Step 5: Solve for x
x = 4,154,669,040,645.14/2,202,401.70 - Step 6: Final answer
x = 1,886,426.55
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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.