Finding the Fourth Proportional to 3,801,981.84, 5,246,534.28 and 2,170,324.32
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Solution
The fourth proportional to 3,801,981.84, 5,246,534.28 and 2,170,324.32 is: 2,994,933.02
Step by Step Solution
- Step 1: Write the proportion equation
3,801,981.84 : 5,246,534.28 = 2,170,324.32 : x - Step 2: Convert to fraction form
3,801,981.84/5,246,534.28 = 2,170,324.32/x - Step 3: Cross multiply
3,801,981.84x = 5,246,534.28 × 2,170,324.32 - Step 4: Simplify right side
3,801,981.84x = 11,386,680,943,597.69 - Step 5: Solve for x
x = 11,386,680,943,597.69/3,801,981.84 - Step 6: Final answer
x = 2,994,933.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.