Finding the Fourth Proportional to 3,609,564.84, 4,981,199.58 and 1,999,932.84
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Solution
The fourth proportional to 3,609,564.84, 4,981,199.58 and 1,999,932.84 is: 2,759,907.38
Step by Step Solution
- Step 1: Write the proportion equation
3,609,564.84 : 4,981,199.58 = 1,999,932.84 : x - Step 2: Convert to fraction form
3,609,564.84/4,981,199.58 = 1,999,932.84/x - Step 3: Cross multiply
3,609,564.84x = 4,981,199.58 × 1,999,932.84 - Step 4: Simplify right side
3,609,564.84x = 9,962,064,622,636.21 - Step 5: Solve for x
x = 9,962,064,622,636.21/3,609,564.84 - Step 6: Final answer
x = 2,759,907.38
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1.5x scale
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.