Finding the Fourth Proportional to 1,373,276.70, 2,055,767.85 and 1,207,388.70
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Solution
The fourth proportional to 1,373,276.70, 2,055,767.85 and 1,207,388.70 is: 1,807,436.82
Step by Step Solution
- Step 1: Write the proportion equation
1,373,276.70 : 2,055,767.85 = 1,207,388.70 : x - Step 2: Convert to fraction form
1,373,276.70/2,055,767.85 = 1,207,388.70/x - Step 3: Cross multiply
1,373,276.70x = 2,055,767.85 × 1,207,388.70 - Step 4: Simplify right side
1,373,276.70x = 2,482,110,871,913.30 - Step 5: Solve for x
x = 2,482,110,871,913.30/1,373,276.70 - Step 6: Final answer
x = 1,807,436.82
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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.