Finding the Fourth Proportional to 2,138,263.28, 3,208,448.70 and 1,001,102.42
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Solution
The fourth proportional to 2,138,263.28, 3,208,448.70 and 1,001,102.42 is: 1,502,146.99
Step by Step Solution
- Step 1: Write the proportion equation
2,138,263.28 : 3,208,448.70 = 1,001,102.42 : x - Step 2: Convert to fraction form
2,138,263.28/3,208,448.70 = 1,001,102.42/x - Step 3: Cross multiply
2,138,263.28x = 3,208,448.70 × 1,001,102.42 - Step 4: Simplify right side
2,138,263.28x = 3,211,985,758,015.85 - Step 5: Solve for x
x = 3,211,985,758,015.85/2,138,263.28 - Step 6: Final answer
x = 1,502,146.99
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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.